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netfilter: xt_nfacct: don't assume acct name is null-terminated

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_nfacct: don't assume acct name is null-terminated BUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721 Read of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851 [..] string+0x231/0x2b0 lib/vsprintf.c:721 vsnprintf+0x739/0xf00 lib/vsprintf.c:2874 [..] nfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41 xt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523 nfnl_acct_find_get() handles non-null input, but the error printk relied on its presence.

Announced Source revision 1
Original source ↗

CVE-2025-38639

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-2025-38639

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": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "66d41268ede1e1b6e71ba28be923397ff0b2b9c3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "e021a1eee196887536a6630c5492c23a4c78d452",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "b10cfa2de13d28ddd03210eb234422b7ec92725a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "e18939176e657a3a20bfbed357b8c55a9f82aba3",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "58004aa21e79addaf41667bfe65e93ec51653f18",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "7c1ae471da69c09242834e956218ea6a42dd405a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "58007fc7b94fb2702000045ff401eb7f5bde7828",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5",
        "lessThan": "bf58e667af7d96c8eb9411f926a0a0955f41ce21",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/netfilter/xt_nfacct.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.3"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.3",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.4.297",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.241",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.190",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.148",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.102",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.42",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.15.10",
        "versionType": "semver",
        "lessThanOrEqual": "6.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.16.1",
        "versionType": "semver",
        "lessThanOrEqual": "6.16.*"
      },
      {
        "status": "unaffected",
        "version": "6.17",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/netfilter/xt_nfacct.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-38639

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30603 · Revision 1
Added to Heist Feed
Publisher date
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