ALSA-2026:72623
Vulnerability from osv_almalinux – Published: 2026-09-28 00:00 – Updated: 2026-10-01 09:27 – Source website
VLAI
Summary
Important: kernel security, bug fix, and enhancement update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942)
- kernel: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (CVE-2026-46325)
- kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)
- kernel: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() (CVE-2026-53341)
- kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875)
- kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CVE-2026-64102)
- kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556)
- kernel: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CVE-2026-80522)
- kernel: perf: Reject exited events as group leaders (CVE-2026-74753)
Bug Fix(es) and Enhancement(s):
- KVM: s390: Limit adapter indicator access to mapped page [almalinux-9.8.z] (JIRA:AlmaLinux-188656)
- crypto: xxhash64 should not be fips approved [almalinux-9.8.z] (JIRA:AlmaLinux-256437)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942)\n * kernel: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (CVE-2026-46325)\n * kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)\n * kernel: fhandle: fix UAF due to unlocked -\u003emnt_ns read in may_decode_fh() (CVE-2026-53341)\n * kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875)\n * kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CVE-2026-64102)\n * kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556)\n * kernel: crypto: tegra - fix rctx-\u003ecryptlen calculation in tegra_gcm_do_one_req() (CVE-2026-80522)\n * kernel: perf: Reject exited events as group leaders (CVE-2026-74753)\n\n\nBug Fix(es) and Enhancement(s): \n\n * KVM: s390: Limit adapter indicator access to mapped page [almalinux-9.8.z] (JIRA:AlmaLinux-188656)\n * crypto: xxhash64 should not be fips approved [almalinux-9.8.z] (JIRA:AlmaLinux-256437)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:72623",
"modified": "2026-10-01T09:27:06Z",
"published": "2026-09-28T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:72623"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-45942"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46325"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-52972"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53341"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-63875"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64102"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64556"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74753"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-80522"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482104"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2487002"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2492364"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2495938"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502318"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502494"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2508319"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2524423"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2524434"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2026-72623.html"
}
],
"related": [
"CVE-2026-45942",
"CVE-2026-46325",
"CVE-2026-52972",
"CVE-2026-53341",
"CVE-2026-63875",
"CVE-2026-64102",
"CVE-2026-64556",
"CVE-2026-80522",
"CVE-2026-74753"
],
"summary": "Important: kernel security, bug fix, and enhancement update"
}
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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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