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btrfs: fix information leak in btrfs_ioctl_logical_to_ino()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix information leak in btrfs_ioctl_logical_to_ino() Syzbot reported the following information leak for in btrfs_ioctl_logical_to_ino(): BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline] BUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x110 lib/usercopy.c:40 instrument_copy_to_user include/linux/instrumented.h:114 [inline] _copy_to_user+0xbc/0x110 lib/usercopy.c:40 copy_to_user include/linux/uaccess.h:191 [inline] btrfs_ioctl_logical_to_ino+0x440/0x750 fs/btrfs/ioctl.c:3499 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl+0x261/0x450 fs/ioctl.c:890 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:890 x64_sys_call+0x1883/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3921 __do_kmalloc_node mm/slub.c:3954 [inline] __kmalloc_node+0xb07/0x1060 mm/slub.c:3973 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] init_data_container+0x49/0x1e0 fs/btrfs/backref.c:2779 btrfs_ioctl_logical_to_ino+0x17c/0x750 fs/btrfs/ioctl.c:3480 btrfs_ioctl+0x714/0x1260 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline]

Announced Source revision 1
Original source ↗

CVE-2024-35849

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2024-35849

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "689efe22e9b5b7d9d523119a9a5c3c17107a0772",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "73db209dcd4ae026021234d40cfcb2fb5b564b86",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "30189e54ba80e3209d34cfeea87b848f6ae025e6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "e58047553a4e859dafc8d1d901e1de77c9dd922d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "8bdbcfaf3eac42f98e5486b3d7e130fa287811f6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "3a63cee1a5e14a3e52c19142c61dd5fcb524f6dc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "fddc19631c51d9c17d43e9f822a7bc403af88d54",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a542ad1bafc7df9fc16de8a6894b350a4df75572",
        "lessThan": "2f7ef5bb4a2f3e481ef05fab946edb97c84f67cf",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "fs/btrfs/backref.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.2"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.2",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.19.313",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.275",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.216",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.158",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.90",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.30",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.9",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "fs/btrfs/backref.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-35849

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26525 · Revision 1
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Publisher date
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