cnvd - cnvd-2025-03430

cnvd-2025-03430

Vulnerability from cnvd

Title: Linux kernel mlx5e_xfrm_del_state函数拒绝服务漏洞

Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel存在拒绝服务漏洞，该漏洞源于mlx5e_xfrm_add_state和mlx5e_xfrm_del_state函数中对软中断（SOFTIRQ）安全锁的使用不当，攻击者可利用该漏洞导致在启用IPsec隧道模式时出现锁依赖冲突，可能引发系统崩溃。

Severity: 中

Patch Name: Linux kernel mlx5e_xfrm_del_state函数拒绝服务漏洞的补丁

Patch Description:

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。

Linux kernel存在拒绝服务漏洞，该漏洞源于mlx5e_xfrm_add_state和mlx5e_xfrm_del_state函数中对软中断（SOFTIRQ）安全锁的使用不当，攻击者可利用该漏洞导致在启用IPsec隧道模式时出现锁依赖冲突，可能引发系统崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

厂商已发布了漏洞修复程序，请及时关注更新： https://git.kernel.org/stable/c/2c3688090f8a1f085230aa839cc63e4a7b977df0

Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-21674

Impacted products

Name
Linux Kernel

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-21674",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-21674"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emlx5e_xfrm_add_state\u548cmlx5e_xfrm_del_state\u51fd\u6570\u4e2d\u5bf9\u8f6f\u4e2d\u65ad\uff08SOFTIRQ\uff09\u5b89\u5168\u9501\u7684\u4f7f\u7528\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5728\u542f\u7528IPsec\u96a7\u9053\u6a21\u5f0f\u65f6\u51fa\u73b0\u9501\u4f9d\u8d56\u51b2\u7a81\uff0c\u53ef\u80fd\u5f15\u53d1\u7cfb\u7edf\u5d29\u6e83\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://git.kernel.org/stable/c/2c3688090f8a1f085230aa839cc63e4a7b977df0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-03430",
  "openTime": "2025-02-21",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8emlx5e_xfrm_add_state\u548cmlx5e_xfrm_del_state\u51fd\u6570\u4e2d\u5bf9\u8f6f\u4e2d\u65ad\uff08SOFTIRQ\uff09\u5b89\u5168\u9501\u7684\u4f7f\u7528\u4e0d\u5f53\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5728\u542f\u7528IPsec\u96a7\u9053\u6a21\u5f0f\u65f6\u51fa\u73b0\u9501\u4f9d\u8d56\u51b2\u7a81\uff0c\u53ef\u80fd\u5f15\u53d1\u7cfb\u7edf\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Linux kernel mlx5e_xfrm_del_state\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2025-21674",
  "serverity": "\u4e2d",
  "submitTime": "2025-02-17",
  "title": "Linux kernel mlx5e_xfrm_del_state\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2025-21674 (GCVE-0-2025-21674)

Vulnerability from cvelistv5

Published

2025-01-31 11:25

Modified

2025-05-04 07:18

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix inversion dependency warning while enabling IPsec tunnel Attempt to enable IPsec packet offload in tunnel mode in debug kernel generates the following kernel panic, which is happening due to two issues: 1. In SA add section, the should be _bh() variant when marking SA mode. 2. There is not needed flush_workqueue in SA delete routine. It is not needed as at this stage as it is removed from SADB and the running work will be canceled later in SA free. ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 6.12.0+ #4 Not tainted ----------------------------------------------------- charon/1337 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire: ffff88810f365020 (&xa->xa_lock#24){+.+.}-{3:3}, at: mlx5e_xfrm_del_state+0xca/0x1e0 [mlx5_core] and this task is already holding: ffff88813e0f0d48 (&x->lock){+.-.}-{3:3}, at: xfrm_state_delete+0x16/0x30 which would create a new lock dependency: (&x->lock){+.-.}-{3:3} -> (&xa->xa_lock#24){+.+.}-{3:3} but this new dependency connects a SOFTIRQ-irq-safe lock: (&x->lock){+.-.}-{3:3} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x1be/0x520 _raw_spin_lock_bh+0x34/0x40 xfrm_timer_handler+0x91/0xd70 __hrtimer_run_queues+0x1dd/0xa60 hrtimer_run_softirq+0x146/0x2e0 handle_softirqs+0x266/0x860 irq_exit_rcu+0x115/0x1a0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x16/0x20 default_idle+0x13/0x20 default_idle_call+0x67/0xa0 do_idle+0x2da/0x320 cpu_startup_entry+0x50/0x60 start_secondary+0x213/0x2a0 common_startup_64+0x129/0x138 to a SOFTIRQ-irq-unsafe lock: (&xa->xa_lock#24){+.+.}-{3:3} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x1be/0x520 _raw_spin_lock+0x2c/0x40 xa_set_mark+0x70/0x110 mlx5e_xfrm_add_state+0xe48/0x2290 [mlx5_core] xfrm_dev_state_add+0x3bb/0xd70 xfrm_add_sa+0x2451/0x4a90 xfrm_user_rcv_msg+0x493/0x880 netlink_rcv_skb+0x12e/0x380 xfrm_netlink_rcv+0x6d/0x90 netlink_unicast+0x42f/0x740 netlink_sendmsg+0x745/0xbe0 __sock_sendmsg+0xc5/0x190 __sys_sendto+0x1fe/0x2c0 __x64_sys_sendto+0xdc/0x1b0 do_syscall_64+0x6d/0x140 entry_SYSCALL_64_after_hwframe+0x4b/0x53 other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&xa->xa_lock#24); local_irq_disable(); lock(&x->lock); lock(&xa->xa_lock#24); <Interrupt> lock(&x->lock); *** DEADLOCK *** 2 locks held by charon/1337: #0: ffffffff87f8f858 (&net->xfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x5e/0x90 #1: ffff88813e0f0d48 (&x->lock){+.-.}-{3:3}, at: xfrm_state_delete+0x16/0x30 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&x->lock){+.-.}-{3:3} ops: 29 { HARDIRQ-ON-W at: lock_acquire+0x1be/0x520 _raw_spin_lock_bh+0x34/0x40 xfrm_alloc_spi+0xc0/0xe60 xfrm_alloc_userspi+0x5f6/0xbc0 xfrm_user_rcv_msg+0x493/0x880 netlink_rcv_skb+0x12e/0x380 xfrm_netlink_rcv+0x6d/0x90 netlink_unicast+0x42f/0x740 netlink_sendmsg+0x745/0xbe0 __sock_sendmsg+0xc5/0x190 __sys_sendto+0x1fe/0x2c0 __x64_sys_sendto+0xdc/0x1b0 do_syscall_64+0x6d/0x140 entry_SYSCALL_64_after_hwframe+0x4b/0x53 IN-SOFTIRQ-W at: lock_acquire+0x1be/0x520 _raw_spin_lock_bh+0x34/0x40 xfrm_timer_handler+0x91/0xd70 __hrtimer_run_queues+0x1dd/0xa60 ---truncated---

References

▼	URL	Tags
	https://git.kernel.org/stable/c/87c4417a902151cfe4363166245a3671a08c256c
	https://git.kernel.org/stable/c/6d3d69c070d920fbb146d73dd3899a50f25d0901
	https://git.kernel.org/stable/c/2c3688090f8a1f085230aa839cc63e4a7b977df0

Impacted products

Vendor

Product

Version

▼

Linux

Version: 4c24272b4e2befca6ad1409c3c9aaa16c24b1099
Version: 4c24272b4e2befca6ad1409c3c9aaa16c24b1099
Version: 4c24272b4e2befca6ad1409c3c9aaa16c24b1099

Linux

Version: 6.4

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "87c4417a902151cfe4363166245a3671a08c256c",
              "status": "affected",
              "version": "4c24272b4e2befca6ad1409c3c9aaa16c24b1099",
              "versionType": "git"
            },
            {
              "lessThan": "6d3d69c070d920fbb146d73dd3899a50f25d0901",
              "status": "affected",
              "version": "4c24272b4e2befca6ad1409c3c9aaa16c24b1099",
              "versionType": "git"
            },
            {
              "lessThan": "2c3688090f8a1f085230aa839cc63e4a7b977df0",
              "status": "affected",
              "version": "4c24272b4e2befca6ad1409c3c9aaa16c24b1099",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "lessThan": "6.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.74",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.74",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.11",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.13",
                  "versionStartIncluding": "6.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5e: Fix inversion dependency warning while enabling IPsec tunnel\n\nAttempt to enable IPsec packet offload in tunnel mode in debug kernel\ngenerates the following kernel panic, which is happening due to two\nissues:\n1. In SA add section, the should be _bh() variant when marking SA mode.\n2. There is not needed flush_workqueue in SA delete routine. It is not\nneeded as at this stage as it is removed from SADB and the running work\nwill be canceled later in SA free.\n\n =====================================================\n WARNING: SOFTIRQ-safe -\u003e SOFTIRQ-unsafe lock order detected\n 6.12.0+ #4 Not tainted\n -----------------------------------------------------\n charon/1337 [HC0[0]:SC0[4]:HE1:SE0] is trying to acquire:\n ffff88810f365020 (\u0026xa-\u003exa_lock#24){+.+.}-{3:3}, at: mlx5e_xfrm_del_state+0xca/0x1e0 [mlx5_core]\n\n and this task is already holding:\n ffff88813e0f0d48 (\u0026x-\u003elock){+.-.}-{3:3}, at: xfrm_state_delete+0x16/0x30\n which would create a new lock dependency:\n  (\u0026x-\u003elock){+.-.}-{3:3} -\u003e (\u0026xa-\u003exa_lock#24){+.+.}-{3:3}\n\n but this new dependency connects a SOFTIRQ-irq-safe lock:\n  (\u0026x-\u003elock){+.-.}-{3:3}\n\n ... which became SOFTIRQ-irq-safe at:\n   lock_acquire+0x1be/0x520\n   _raw_spin_lock_bh+0x34/0x40\n   xfrm_timer_handler+0x91/0xd70\n   __hrtimer_run_queues+0x1dd/0xa60\n   hrtimer_run_softirq+0x146/0x2e0\n   handle_softirqs+0x266/0x860\n   irq_exit_rcu+0x115/0x1a0\n   sysvec_apic_timer_interrupt+0x6e/0x90\n   asm_sysvec_apic_timer_interrupt+0x16/0x20\n   default_idle+0x13/0x20\n   default_idle_call+0x67/0xa0\n   do_idle+0x2da/0x320\n   cpu_startup_entry+0x50/0x60\n   start_secondary+0x213/0x2a0\n   common_startup_64+0x129/0x138\n\n to a SOFTIRQ-irq-unsafe lock:\n  (\u0026xa-\u003exa_lock#24){+.+.}-{3:3}\n\n ... which became SOFTIRQ-irq-unsafe at:\n ...\n   lock_acquire+0x1be/0x520\n   _raw_spin_lock+0x2c/0x40\n   xa_set_mark+0x70/0x110\n   mlx5e_xfrm_add_state+0xe48/0x2290 [mlx5_core]\n   xfrm_dev_state_add+0x3bb/0xd70\n   xfrm_add_sa+0x2451/0x4a90\n   xfrm_user_rcv_msg+0x493/0x880\n   netlink_rcv_skb+0x12e/0x380\n   xfrm_netlink_rcv+0x6d/0x90\n   netlink_unicast+0x42f/0x740\n   netlink_sendmsg+0x745/0xbe0\n   __sock_sendmsg+0xc5/0x190\n   __sys_sendto+0x1fe/0x2c0\n   __x64_sys_sendto+0xdc/0x1b0\n   do_syscall_64+0x6d/0x140\n   entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\n other info that might help us debug this:\n\n  Possible interrupt unsafe locking scenario:\n\n        CPU0                    CPU1\n        ----                    ----\n   lock(\u0026xa-\u003exa_lock#24);\n                                local_irq_disable();\n                                lock(\u0026x-\u003elock);\n                                lock(\u0026xa-\u003exa_lock#24);\n   \u003cInterrupt\u003e\n     lock(\u0026x-\u003elock);\n\n  *** DEADLOCK ***\n\n 2 locks held by charon/1337:\n  #0: ffffffff87f8f858 (\u0026net-\u003exfrm.xfrm_cfg_mutex){+.+.}-{4:4}, at: xfrm_netlink_rcv+0x5e/0x90\n  #1: ffff88813e0f0d48 (\u0026x-\u003elock){+.-.}-{3:3}, at: xfrm_state_delete+0x16/0x30\n\n the dependencies between SOFTIRQ-irq-safe lock and the holding lock:\n -\u003e (\u0026x-\u003elock){+.-.}-{3:3} ops: 29 {\n    HARDIRQ-ON-W at:\n                     lock_acquire+0x1be/0x520\n                     _raw_spin_lock_bh+0x34/0x40\n                     xfrm_alloc_spi+0xc0/0xe60\n                     xfrm_alloc_userspi+0x5f6/0xbc0\n                     xfrm_user_rcv_msg+0x493/0x880\n                     netlink_rcv_skb+0x12e/0x380\n                     xfrm_netlink_rcv+0x6d/0x90\n                     netlink_unicast+0x42f/0x740\n                     netlink_sendmsg+0x745/0xbe0\n                     __sock_sendmsg+0xc5/0x190\n                     __sys_sendto+0x1fe/0x2c0\n                     __x64_sys_sendto+0xdc/0x1b0\n                     do_syscall_64+0x6d/0x140\n                     entry_SYSCALL_64_after_hwframe+0x4b/0x53\n    IN-SOFTIRQ-W at:\n                     lock_acquire+0x1be/0x520\n                     _raw_spin_lock_bh+0x34/0x40\n                     xfrm_timer_handler+0x91/0xd70\n                     __hrtimer_run_queues+0x1dd/0xa60\n   \n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:18:48.100Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/87c4417a902151cfe4363166245a3671a08c256c"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d3d69c070d920fbb146d73dd3899a50f25d0901"
        },
        {
          "url": "https://git.kernel.org/stable/c/2c3688090f8a1f085230aa839cc63e4a7b977df0"
        }
      ],
      "title": "net/mlx5e: Fix inversion dependency warning while enabling IPsec tunnel",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21674",
    "datePublished": "2025-01-31T11:25:36.661Z",
    "dateReserved": "2024-12-29T08:45:45.736Z",
    "dateUpdated": "2025-05-04T07:18:48.100Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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