CVE-2023-53853 (GCVE-0-2023-53853)

Vulnerability from cvelistv5 – Published: 2025-12-09 01:30 – Updated: 2025-12-09 01:30
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: netlink: annotate accesses to nlk->cb_running Both netlink_recvmsg() and netlink_native_seq_show() read nlk->cb_running locklessly. Use READ_ONCE() there. Add corresponding WRITE_ONCE() to netlink_dump() and __netlink_dump_start() syzbot reported: BUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg write to 0xffff88813ea4db59 of 1 bytes by task 28219 on cpu 0: __netlink_dump_start+0x3af/0x4d0 net/netlink/af_netlink.c:2399 netlink_dump_start include/linux/netlink.h:308 [inline] rtnetlink_rcv_msg+0x70f/0x8c0 net/core/rtnetlink.c:6130 netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2577 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6192 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg net/socket.c:747 [inline] sock_write_iter+0x1aa/0x230 net/socket.c:1138 call_write_iter include/linux/fs.h:1851 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x463/0x760 fs/read_write.c:584 ksys_write+0xeb/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88813ea4db59 of 1 bytes by task 28222 on cpu 1: netlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2022 sock_recvmsg_nosec+0x4c/0x80 net/socket.c:1017 ____sys_recvmsg+0x2db/0x310 net/socket.c:2718 ___sys_recvmsg net/socket.c:2762 [inline] do_recvmmsg+0x2e5/0x710 net/socket.c:2856 __sys_recvmmsg net/socket.c:2935 [inline] __do_sys_recvmmsg net/socket.c:2958 [inline] __se_sys_recvmmsg net/socket.c:2951 [inline] __x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2951 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00 -> 0x01
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < e25e9d8a210ed78bdf0f364576dbee13aefadbf8 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < 840a647499b093621167de56ffa8756dfc69f242 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < a507022c862e10744a92c4bf5709775450a110ad (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < f92557f79a60cb142258f5fa7194f327573fadd8 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < 1d5c8b01f1df0461256a6d75854ed806f50645a3 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < a115dadf8995b1730c36c474401d97355705cb88 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < 02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3 (git)
Affected: 16b304f3404f8e0243d5ee2b70b68767b7b59b2b , < a939d14919b799e6fff8a9c80296ca229ba2f8a4 (git)
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    Linux Linux Affected: 3.12
Unaffected: 0 , < 3.12 (semver)
Unaffected: 4.14.316 , ≤ 4.14.* (semver)
Unaffected: 4.19.284 , ≤ 4.19.* (semver)
Unaffected: 5.4.244 , ≤ 5.4.* (semver)
Unaffected: 5.10.181 , ≤ 5.10.* (semver)
Unaffected: 5.15.113 , ≤ 5.15.* (semver)
Unaffected: 6.1.30 , ≤ 6.1.* (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netlink/af_netlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netlink/af_netlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.12"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.316",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.284",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.244",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.181",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.316",
                  "versionStartIncluding": "3.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.284",
                  "versionStartIncluding": "3.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.244",
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                  "vulnerable": true
                },
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                  "versionEndExcluding": "5.10.181",
                  "versionStartIncluding": "3.12",
                  "vulnerable": true
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                {
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                {
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                  "versionEndExcluding": "6.4",
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              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: annotate accesses to nlk-\u003ecb_running\n\nBoth netlink_recvmsg() and netlink_native_seq_show() read\nnlk-\u003ecb_running locklessly. Use READ_ONCE() there.\n\nAdd corresponding WRITE_ONCE() to netlink_dump() and\n__netlink_dump_start()\n\nsyzbot reported:\nBUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg\n\nwrite to 0xffff88813ea4db59 of 1 bytes by task 28219 on cpu 0:\n__netlink_dump_start+0x3af/0x4d0 net/netlink/af_netlink.c:2399\nnetlink_dump_start include/linux/netlink.h:308 [inline]\nrtnetlink_rcv_msg+0x70f/0x8c0 net/core/rtnetlink.c:6130\nnetlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2577\nrtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6192\nnetlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\nnetlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365\nnetlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1942\nsock_sendmsg_nosec net/socket.c:724 [inline]\nsock_sendmsg net/socket.c:747 [inline]\nsock_write_iter+0x1aa/0x230 net/socket.c:1138\ncall_write_iter include/linux/fs.h:1851 [inline]\nnew_sync_write fs/read_write.c:491 [inline]\nvfs_write+0x463/0x760 fs/read_write.c:584\nksys_write+0xeb/0x1a0 fs/read_write.c:637\n__do_sys_write fs/read_write.c:649 [inline]\n__se_sys_write fs/read_write.c:646 [inline]\n__x64_sys_write+0x42/0x50 fs/read_write.c:646\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nread to 0xffff88813ea4db59 of 1 bytes by task 28222 on cpu 1:\nnetlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2022\nsock_recvmsg_nosec+0x4c/0x80 net/socket.c:1017\n____sys_recvmsg+0x2db/0x310 net/socket.c:2718\n___sys_recvmsg net/socket.c:2762 [inline]\ndo_recvmmsg+0x2e5/0x710 net/socket.c:2856\n__sys_recvmmsg net/socket.c:2935 [inline]\n__do_sys_recvmmsg net/socket.c:2958 [inline]\n__se_sys_recvmmsg net/socket.c:2951 [inline]\n__x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2951\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalue changed: 0x00 -\u003e 0x01"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-09T01:30:18.628Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e25e9d8a210ed78bdf0f364576dbee13aefadbf8"
        },
        {
          "url": "https://git.kernel.org/stable/c/840a647499b093621167de56ffa8756dfc69f242"
        },
        {
          "url": "https://git.kernel.org/stable/c/a507022c862e10744a92c4bf5709775450a110ad"
        },
        {
          "url": "https://git.kernel.org/stable/c/f92557f79a60cb142258f5fa7194f327573fadd8"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d5c8b01f1df0461256a6d75854ed806f50645a3"
        },
        {
          "url": "https://git.kernel.org/stable/c/a115dadf8995b1730c36c474401d97355705cb88"
        },
        {
          "url": "https://git.kernel.org/stable/c/02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3"
        },
        {
          "url": "https://git.kernel.org/stable/c/a939d14919b799e6fff8a9c80296ca229ba2f8a4"
        }
      ],
      "title": "netlink: annotate accesses to nlk-\u003ecb_running",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53853",
    "datePublished": "2025-12-09T01:30:18.628Z",
    "dateReserved": "2025-12-09T01:27:17.828Z",
    "dateUpdated": "2025-12-09T01:30:18.628Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53853\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-09T16:17:25.933\",\"lastModified\":\"2025-12-09T18:37:13.640\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetlink: annotate accesses to nlk-\u003ecb_running\\n\\nBoth netlink_recvmsg() and netlink_native_seq_show() read\\nnlk-\u003ecb_running locklessly. Use READ_ONCE() there.\\n\\nAdd corresponding WRITE_ONCE() to netlink_dump() and\\n__netlink_dump_start()\\n\\nsyzbot reported:\\nBUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg\\n\\nwrite to 0xffff88813ea4db59 of 1 bytes by task 28219 on cpu 0:\\n__netlink_dump_start+0x3af/0x4d0 net/netlink/af_netlink.c:2399\\nnetlink_dump_start include/linux/netlink.h:308 [inline]\\nrtnetlink_rcv_msg+0x70f/0x8c0 net/core/rtnetlink.c:6130\\nnetlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2577\\nrtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6192\\nnetlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]\\nnetlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365\\nnetlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1942\\nsock_sendmsg_nosec net/socket.c:724 [inline]\\nsock_sendmsg net/socket.c:747 [inline]\\nsock_write_iter+0x1aa/0x230 net/socket.c:1138\\ncall_write_iter include/linux/fs.h:1851 [inline]\\nnew_sync_write fs/read_write.c:491 [inline]\\nvfs_write+0x463/0x760 fs/read_write.c:584\\nksys_write+0xeb/0x1a0 fs/read_write.c:637\\n__do_sys_write fs/read_write.c:649 [inline]\\n__se_sys_write fs/read_write.c:646 [inline]\\n__x64_sys_write+0x42/0x50 fs/read_write.c:646\\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nread to 0xffff88813ea4db59 of 1 bytes by task 28222 on cpu 1:\\nnetlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2022\\nsock_recvmsg_nosec+0x4c/0x80 net/socket.c:1017\\n____sys_recvmsg+0x2db/0x310 net/socket.c:2718\\n___sys_recvmsg net/socket.c:2762 [inline]\\ndo_recvmmsg+0x2e5/0x710 net/socket.c:2856\\n__sys_recvmmsg net/socket.c:2935 [inline]\\n__do_sys_recvmmsg net/socket.c:2958 [inline]\\n__se_sys_recvmmsg net/socket.c:2951 [inline]\\n__x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2951\\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\nvalue changed: 0x00 -\u003e 0x01\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02e7afd659a4c9ce1e98fc01ab4c510f3de1f0b3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1d5c8b01f1df0461256a6d75854ed806f50645a3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/840a647499b093621167de56ffa8756dfc69f242\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a115dadf8995b1730c36c474401d97355705cb88\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a507022c862e10744a92c4bf5709775450a110ad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a939d14919b799e6fff8a9c80296ca229ba2f8a4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e25e9d8a210ed78bdf0f364576dbee13aefadbf8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f92557f79a60cb142258f5fa7194f327573fadd8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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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.
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  • 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.



Detection rules are retrieved from Rulezet.