RHSA-2026:72623
Vulnerability from csaf_opensuse - Published: 2026-09-28 00:00 - Updated: 2026-09-30 11:13Summary
security update for kernel
Severity
Important
Notes
Title of the patch: security update for kernel
Description of the patch: This security update provides a functional equivalent of RHSA-2026:72623.
The original Red Hat(R) advisory is available from the Red Hat web site at
https://access.redhat.com/errata/RHSA-2026:72623.
Patchnames: RHSA-2026:72623
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
6.3 (Medium)
Affected products
Recommended
41 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Liberty Linux 9:kernel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-abi-stablelists-0:5.14.0-687.53.1.el9_8.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-cross-headers-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-devel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-devel-matched-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-modules-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-modules-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-modules-extra-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-debug-uki-virt-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-devel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-devel-matched-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-doc-0:5.14.0-687.53.1.el9_8.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-headers-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-modules-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-modules-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-modules-extra-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-devel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-modules-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-modules-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-debug-modules-extra-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-devel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-modules-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-modules-core-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-rt-modules-extra-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-tools-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-tools-libs-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-tools-libs-devel-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-uki-virt-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:kernel-uki-virt-addons-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:libperf-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:perf-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:python3-perf-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:rtla-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Liberty Linux 9:rv-0:5.14.0-687.53.1.el9_8.x86_64 | — |
Vendor Fix
|
Threats
Impact
moderate
5.7 (Medium)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
moderate
7.8 (High)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
important
4.7 (Medium)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
moderate
5.5 (Medium)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
moderate
6.5 (Medium)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
moderate
7.8 (High)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
important
7.8 (High)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
important
5.5 (Medium)
Affected products
Recommended
41 products, the same list as for
CVE-2026-45942
Threats
Impact
moderate
References
32 references
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},
{
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},
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"text": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix e4b bitmap inconsistency reports\n\nA bitmap inconsistency issue was observed during stress tests under\nmixed huge-page workloads. Ext4 reported multiple e4b bitmap check\nfailures like:\n\next4_mb_complex_scan_group:2508: group 350, 8179 free clusters as\nper group info. But got 8192 blocks\n\nAnalysis and experimentation confirmed that the issue is caused by a\nrace condition between page migration and bitmap modification. Although\nthis timing window is extremely narrow, it is still hit in practice:\n\nfolio_lock ext4_mb_load_buddy\n__migrate_folio\n check ref count\n folio_mc_copy __filemap_get_folio\n folio_try_get(folio)\n ......\n mb_mark_used\n ext4_mb_unload_buddy\n __folio_migrate_mapping\n folio_ref_freeze\nfolio_unlock\n\nThe root cause of this issue is that the fast path of load_buddy only\nincrements the folio\u0027s reference count, which is insufficient to prevent\nconcurrent folio migration. We observed that the folio migration process\nacquires the folio lock. Therefore, we can determine whether to take the\nfast path in load_buddy by checking the lock status. If the folio is\nlocked, we opt for the slow path (which acquires the lock) to close this\nconcurrency window.\n\nAdditionally, this change addresses the following issues:\n\nWhen the DOUBLE_CHECK macro is enabled to inspect bitmap-related\nissues, the following error may be triggered:\n\ncorruption in group 324 at byte 784(6272): f in copy != ff on\ndisk/prealloc\n\nAnalysis reveals that this is a false positive. There is a specific race\nwindow where the bitmap and the group descriptor become momentarily\ninconsistent, leading to this error report:\n\next4_mb_load_buddy ext4_mb_load_buddy\n __filemap_get_folio(create|lock)\n folio_lock\n ext4_mb_init_cache\n folio_mark_uptodate\n __filemap_get_folio(no lock)\n ......\n mb_mark_used\n mb_mark_used_double\n mb_cmp_bitmaps\n mb_set_bits(e4b-\u003ebd_bitmap)\n folio_unlock\n\nThe original logic assumed that since mb_cmp_bitmaps is called when the\nbitmap is newly loaded from disk, the folio lock would be sufficient to\nprevent concurrent access. However, this overlooks a specific race\ncondition: if another process attempts to load buddy and finds the folio\nis already in an uptodate state, it will immediately begin using it without\nholding folio lock.",
"title": "CVE description"
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"date": "2026-09-28T00:00:00Z",
"details": "moderate"
}
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"title": "CVE-2026-45942"
},
{
"cve": "CVE-2026-46325",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-46325"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE\n\nThe current implementation incorrectly handles memory regions (MRs) with\npage sizes different from the system PAGE_SIZE. The core issue is that\nrxe_set_page() is called with mr-\u003epage_size step increments, but the\npage_list stores individual struct page pointers, each representing\nPAGE_SIZE of memory.\n\nib_sg_to_page() has ensured that when i\u003e=1 either\na) SG[i-1].dma_end and SG[i].dma_addr are contiguous\nor\nb) SG[i-1].dma_end and SG[i].dma_addr are mr-\u003epage_size aligned.\n\nThis leads to incorrect iova-to-va conversion in scenarios:\n\n1) page_size \u003c PAGE_SIZE (e.g., MR: 4K, system: 64K):\n ibmr-\u003eiova = 0x181800\n sg[0]: dma_addr=0x181800, len=0x800\n sg[1]: dma_addr=0x173000, len=0x1000\n\n Access iova = 0x181800 + 0x810 = 0x182010\n Expected VA: 0x173010 (second SG, offset 0x10)\n Before fix:\n - index = (0x182010 \u003e\u003e 12) - (0x181800 \u003e\u003e 12) = 1\n - page_offset = 0x182010 \u0026 0xFFF = 0x10\n - xarray[1] stores system page base 0x170000\n - Resulting VA: 0x170000 + 0x10 = 0x170010 (wrong)\n\n2) page_size \u003e PAGE_SIZE (e.g., MR: 64K, system: 4K):\n ibmr-\u003eiova = 0x18f800\n sg[0]: dma_addr=0x18f800, len=0x800\n sg[1]: dma_addr=0x170000, len=0x1000\n\n Access iova = 0x18f800 + 0x810 = 0x190010\n Expected VA: 0x170010 (second SG, offset 0x10)\n Before fix:\n - index = (0x190010 \u003e\u003e 16) - (0x18f800 \u003e\u003e 16) = 1\n - page_offset = 0x190010 \u0026 0xFFFF = 0x10\n - xarray[1] stores system page for dma_addr 0x170000\n - Resulting VA: system page of 0x170000 + 0x10 = 0x170010 (wrong)\n\nYi Zhang reported a kernel panic[1] years ago related to this defect.\n\nSolution:\n1. Replace xarray with pre-allocated rxe_mr_page array for sequential\n indexing (all MR page indices are contiguous)\n2. Each rxe_mr_page stores both struct page* and offset within the\n system page\n3. Handle MR page_size != PAGE_SIZE relationships:\n - page_size \u003e PAGE_SIZE: Split MR pages into multiple system pages\n - page_size \u003c= PAGE_SIZE: Store offset within system page\n4. Add boundary checks and compatibility validation\n\nThis ensures correct iova-to-va conversion regardless of MR page size\nand system PAGE_SIZE relationship, while improving performance through\narray-based sequential access.\n\nTests on 4K and 64K PAGE_SIZE hosts:\n- rdma-core/pytests\n $ ./build/bin/run_tests.py --dev eth0_rxe\n- blktest:\n $ TIMEOUT=30 QUICK_RUN=1 USE_RXE=1 NVMET_TRTYPES=rdma ./check nvme srp rnbd\n\n[1] https://lore.kernel.org/all/CAHj4cs9XRqE25jyVw9rj9YugffLn5+f=1znaBEnu1usLOciD+g@mail.gmail.com/T/",
"title": "CVE description"
}
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"references": [
{
"category": "external",
"summary": "CVE-2026-46325",
"url": "https://www.suse.com/security/cve/CVE-2026-46325"
},
{
"category": "external",
"summary": "SUSE Bug 1268048 for CVE-2026-46325",
"url": "https://bugzilla.suse.com/1268048"
}
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"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"scores": [
{
"cvss_v3": {
"baseScore": 5.7,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"details": "moderate"
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"title": "CVE-2026-46325"
},
{
"cve": "CVE-2026-52972",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-52972"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: af_alg - Cap AEAD AD length to 0x80000000\n\nIn order to prevent arithmetic overflows when checking the TX\nbuffer size, cap the associated data length to 0x80000000.",
"title": "CVE description"
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{
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"summary": "CVE-2026-52972",
"url": "https://www.suse.com/security/cve/CVE-2026-52972"
},
{
"category": "external",
"summary": "SUSE Bug 1269195 for CVE-2026-52972",
"url": "https://bugzilla.suse.com/1269195"
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"summary": "SUSE Bug 1269196 for CVE-2026-52972",
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}
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{
"cvss_v3": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"threats": [
{
"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-52972"
},
{
"cve": "CVE-2026-53341",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-53341"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nfhandle: fix UAF due to unlocked -\u003emnt_ns read in may_decode_fh()\n\nmay_decode_fh() accesses mount::mnt_ns without holding any locks; that\nmeans the mount can concurrently be unmounted, and the mnt_namespace can\nconcurrently be freed after an RCU grace period.\n\nThis race can happens as follows, assuming that the mount point was\ncreated by open_tree(..., OPEN_TREE_CLONE):\n\nthread 1 thread 2 RCU\n __do_sys_open_by_handle_at\n do_handle_open\n handle_to_path\n may_decode_fh\n is_mounted\n [mount::mnt_ns access]\n [mount::mnt_ns access]\n__do_sys_close\n fput_close_sync\n __fput\n dissolve_on_fput\n umount_tree\n class_namespace_excl_destructor\n namespace_unlock\n free_mnt_ns\n mnt_ns_tree_remove\n call_rcu(mnt_ns_release_rcu)\n mnt_ns_release_rcu\n mnt_ns_release\n kfree\n [mnt_namespace::user_ns access] **UAF**\n\nFix it by taking rcu_read_lock() around the mount::mnt_ns access, like\nin __prepend_path().\nAdditionally, document the semantics of mount::mnt_ns, and use WRITE_ONCE()\nfor writers that can race with lockless readers.\n\nThis bug is unreachable unless one of the following is set:\n\n - CONFIG_PREEMPTION\n - CONFIG_RCU_STRICT_GRACE_PERIOD\n\nbecause it requires an RCU grace period to happen during a syscall without\nan explicit preemption.\n\nThis doesn\u0027t seem to have interesting security impact; worst-case, it could\nleak the result of an integer comparison to userspace (from the level\ncheck in cap_capable()), cause an endless loop, or crash the kernel by\ndereferencing an invalid address.",
"title": "CVE description"
}
],
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"summary": "SUSE Bug 1270139 for CVE-2026-53341",
"url": "https://bugzilla.suse.com/1270139"
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"threats": [
{
"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "moderate"
}
],
"title": "CVE-2026-53341"
},
{
"cve": "CVE-2026-63875",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-63875"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: tlb: Flush walk cache when unsharing PMD tables\n\nWhen huge_pmd_unshare() is called to unshare a PMD table, the\ntlb_unshare_pmd_ptdesc() function sets tlb-\u003eunshared_tables=true\nbut the aarch64 tlb_flush() only checked tlb-\u003efreed_tables to\ndetermine whether to use TLBF_NONE (vae1is, invalidates walk\ncache) or TLBF_NOWALKCACHE (vale1is, leaf-only).\n\nThis caused the stale PMD page table entry to remain in the walk cache\nafter unshare, potentially leading to incorrect page table walks.\n\nFix by including unshared_tables in the check, so that when\nunsharing tables, TLBF_NONE is used and the walk cache is properly\ninvalidated.\n\nHere is the detailed distinction between vae1is and vale1is:\n\n| Instruction Combination | Actual Invalidation Scope |\n| ------------------------ | --------------------------------------------------|\n| `VAE1IS` + TTL=`0` | All entries at all levels (full invalidation) |\n| `VAE1IS` + TTL=`2` (L2) | Non-leaf at Level 0/1 + leaf at Level 2 |\n| `VALE1IS` + TTL=`0` | Leaf entries at all levels (non-leaf not cleared) |\n| `VALE1IS` + TTL=`2` (L2) | Leaf entry at Level 2 only |",
"title": "CVE description"
}
],
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{
"category": "external",
"summary": "CVE-2026-63875",
"url": "https://www.suse.com/security/cve/CVE-2026-63875"
},
{
"category": "external",
"summary": "SUSE Bug 1272504 for CVE-2026-63875",
"url": "https://bugzilla.suse.com/1272504"
}
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{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "moderate"
}
],
"title": "CVE-2026-63875"
},
{
"cve": "CVE-2026-64102",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-64102"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Reject MPA FPDU length underflow before signed receive math\n\nA malicious connected siw peer can send an iWARP FPDU whose MPA length\nfield (c_hdr-\u003empa_len, 16 bit big-endian, peer-controlled) is smaller\nthan the fixed DDP/RDMAP header for the announced opcode. Soft-iWARP\nparses the full header in siw_get_hdr() based on iwarp_pktinfo[opcode]\n.hdr_len, but never compares mpa_len against that header length.\n\nsiw_tcp_rx_data() then derives\n\n srx-\u003efpdu_part_rem = be16_to_cpu(mpa_len) - fpdu_part_rcvd\n + MPA_HDR_SIZE;\n\nwhere fpdu_part_rcvd equals iwarp_pktinfo[opcode].hdr_len at this\npoint. For a tagged WRITE (hdr_len 16, MPA_HDR_SIZE 2) the smallest\non-wire mpa_len of 0 yields fpdu_part_rem = -14, and any mpa_len below\nhdr_len - MPA_HDR_SIZE underflows to a negative int.\n\nThe signed value then flows into siw_proc_write()/siw_proc_rresp() as\n\n bytes = min(srx-\u003efpdu_part_rem, srx-\u003eskb_new);\n\nis handed to siw_check_mem() as an int len (whose interval check\naddr + len \u003e mem-\u003eva + mem-\u003elen is satisfied for a valid base when\nlen is negative), and reaches siw_rx_data() -\u003e siw_rx_kva() /\nsiw_rx_umem() -\u003e skb_copy_bits() as a signed copy length. The header\ncopy branch in skb_copy_bits() promotes that to size_t, producing a\nmulti-gigabyte read.\n\nKASAN under a KUnit harness that drives the real kernel TCP receive\npath -- a loopback AF_INET socketpair, the malformed FPDU written via\nkernel_sendmsg, sk_data_ready firing in softirq, tcp_read_sock\ndispatching to siw_tcp_rx_data -- reports:\n\n BUG: KASAN: use-after-free in skb_copy_bits+0x284/0x480\n Read of size 4294967295 at addr ffff888...\n Call Trace:\n skb_copy_bits\n siw_rx_kva\n siw_rx_data\n siw_check_mem\n siw_proc_write\n siw_tcp_rx_data\n __tcp_read_sock\n siw_qp_llp_data_ready\n tcp_data_ready\n tcp_data_queue\n\nAdd the missing invariant at the earliest point where the peer header\nis fully assembled. iwarp_pktinfo[*].hdr_len - MPA_HDR_SIZE is exactly\nthe value the siw transmitter uses as the minimum mpa_len for each\nopcode (drivers/infiniband/sw/siw/siw_qp.c:33), so this matches the\nprotocol contract. Out-of-range FPDUs terminate the connection with\nTERM_ERROR_LAYER_LLP / LLP_ETYPE_MPA / LLP_ECODE_FPDU_START -- which\nis RFC 5044 Section 8 error code 3 (\"Marker and ULPDU Length fields\ndo not agree on the start of an FPDU\"), the correct framing-error\nclass for this inconsistency.",
"title": "CVE description"
}
],
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"references": [
{
"category": "external",
"summary": "CVE-2026-64102",
"url": "https://www.suse.com/security/cve/CVE-2026-64102"
},
{
"category": "external",
"summary": "SUSE Bug 1272516 for CVE-2026-64102",
"url": "https://bugzilla.suse.com/1272516"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"version": "3.1"
},
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"details": "moderate"
}
],
"title": "CVE-2026-64102"
},
{
"cve": "CVE-2026-64556",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-64556"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/core: Detach event groups during remove_on_exec\n\nperf_event_remove_on_exec() removes events by calling\nperf_event_exit_event(). For top-level events, this removes the event from\nthe context with DETACH_EXIT only.\n\nThis can leave inconsistent group state when a removed event is a group\nleader and the group contains siblings without remove_on_exec. If the group\nwas active, the surviving siblings can remain active and attached to the\nremoved leader\u0027s sibling list, but are no longer represented by a valid\ngroup leader on the PMU context active lists.\n\nA later close of the removed leader uses DETACH_GROUP and can promote the\nstill-active siblings from this stale group state. The next schedule-in can\nthen add an already-linked active_list entry again, corrupting the PMU\ncontext active list.\n\nWith DEBUG_LIST enabled, this is caught as a list_add double-add in\nmerge_sched_in().\n\nFix this by detaching group relationships when remove_on_exec removes an\nevent. This preserves the existing task-exit and revoke behavior, while\nensuring surviving siblings are ungrouped before the removed event leaves\nthe context.",
"title": "CVE description"
}
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{
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"threats": [
{
"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-64556"
},
{
"cve": "CVE-2026-74753",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-74753"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Reject exited events as group leaders\n\nperf_event_remove_on_exec() sets remove-on-exec events to the EXIT state\nand detaches their group relationships. The event\u0027s file descriptor can\nremain open, however, and perf_event_open() currently accepts that event\nas a group leader because its early validation rejects only REVOKED and\nDEAD events.\n\nA new sibling can consequently be linked to the detached leader. When\nthe leader is closed, perf_group_detach() observes that its\nPERF_ATTACH_GROUP bit is already clear and skips the new sibling. The\nsibling then retains a group_leader pointer to the freed event.\n\nReject group leaders in the EXIT state. Perform the check while holding\nthe shared context mutex so that an exec in the target task cannot detach\nthe leader between validation and group attachment.\n\n[peterz: make the earlier test fully consistent]",
"title": "CVE description"
}
],
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "important"
}
],
"title": "CVE-2026-74753"
},
{
"cve": "CVE-2026-80522",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2026-80522"
}
],
"notes": [
{
"category": "general",
"text": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: tegra - fix rctx-\u003ecryptlen calculation in tegra_gcm_do_one_req()\n\nPerform rctx-\u003ecryptlen calculation in tegra_gcm_do_one_req() the same way\nit is done in tegra_ccm_crypt_init(). The current formulae may lead to a\ncrash if a caller does not call tegra_gcm_setauthsize() and so ctx-\u003eauthsize\nremains zero. Then a decrypt operation with incorrect rctx-\u003ecryptlen will\nlead to a write beyound rctx-\u003edst_sg buffer.\n\nAs a follow-up cleanup delete struct tegra_aead_ctx-\u003eauthsize field since\nit appears to be completely unused. Also simplify tegra_ccm_setauthsize()\nand tegra_gcm_setauthsize() functions respectively.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
{
"category": "external",
"summary": "CVE-2026-80522",
"url": "https://www.suse.com/security/cve/CVE-2026-80522"
},
{
"category": "external",
"summary": "SUSE Bug 1277465 for CVE-2026-80522",
"url": "https://bugzilla.suse.com/1277465"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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{
"cvss_v3": {
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"date": "2026-09-28T00:00:00Z",
"details": "moderate"
}
],
"title": "CVE-2026-80522"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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