{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "80548b03991f58758a336424a90bf9f988e3b077"
            },
            {
              "fixed": "67fb48c4a0874953212321cd5d57fdb4900dbc31"
            },
            {
              "fixed": "d648cc2069eb081707c061849046d909f57c78b1"
            },
            {
              "fixed": "d5b17474feed3c30991f07affa2473adbad95055"
            },
            {
              "fixed": "867b3ea146a041023bfcd258e6db516b1bb28f19"
            },
            {
              "fixed": "ea19edf71721cd42f923e3c70f4ff995b422fe3b"
            },
            {
              "fixed": "23b3d457d8387bcb2a61063a9e520063ada9335f"
            },
            {
              "fixed": "70b2842734d831c908474779bb8a76daf55f782c"
            },
            {
              "fixed": "0b70716081c6462be9b2928ad736d0d527b09678"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.10.261"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74426.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: fix NULL pointer dereference in afs_get_tree()\n\nafs_alloc_sbi() uses kzalloc for memory allocation. And, if\nctx-\u003edyn_root is not null, as-\u003ecell and as-\u003evolume are null.\nIn trace_afs_get_tree() they are dereferenced.\n\nKASAN error message:\n\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 2 PID: 18478 Comm: syz-executor.7 Not tainted 5.10.246-syzkaller #0\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1\n04/01/2014\nRIP: 0010:perf_trace_afs_get_tree+0x1d9/0x550\ninclude/trace/events/afs.h:1365\n\nCall Trace:\ntrace_afs_get_tree include/trace/events/afs.h:1365 [inline]\nafs_get_tree+0x922/0x1350 fs/afs/super.c:599\nvfs_get_tree+0x8e/0x300 fs/super.c:1572\ndo_new_mount fs/namespace.c:3011 [inline]\npath_mount+0x14a5/0x2220 fs/namespace.c:3341\ndo_mount fs/namespace.c:3354 [inline]\n__do_sys_mount fs/namespace.c:3562 [inline]\n__se_sys_mount fs/namespace.c:3539 [inline]\n__x64_sys_mount+0x283/0x300 fs/namespace.c:3539\n do_syscall_64+0x33/0x50 arch/x86/entry/common.c:46\nentry_SYSCALL_64_after_hwframe+0x67/0xd1\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.",
  "id": "CVE-2026-74426",
  "modified": "2026-08-16T03:30:54.369343784Z",
  "published": "2026-08-15T05:59:28.427Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0b70716081c6462be9b2928ad736d0d527b09678"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23b3d457d8387bcb2a61063a9e520063ada9335f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/67fb48c4a0874953212321cd5d57fdb4900dbc31"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/70b2842734d831c908474779bb8a76daf55f782c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/867b3ea146a041023bfcd258e6db516b1bb28f19"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5b17474feed3c30991f07affa2473adbad95055"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d648cc2069eb081707c061849046d909f57c78b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea19edf71721cd42f923e3c70f4ff995b422fe3b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74426.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74426"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "afs: fix NULL pointer dereference in afs_get_tree()"
}