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High

net: gtp: Fix Use-After-Free in gtp_dellink

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: net: gtp: Fix Use-After-Free in gtp_dellink Since call_rcu, which is called in the hlist_for_each_entry_rcu traversal of gtp_dellink, is not part of the RCU read critical section, it is possible that the RCU grace period will pass during the traversal and the key will be free. To prevent this, it should be changed to hlist_for_each_entry_safe.

Announced Group revision 1
Original source ↗

CVE-2024-27396

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-2024-27396

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": "043a283d24f40fea4c8a8d06b0e2694c8e372200",
        "lessThan": "07b20d0a3dc13fb1adff10b60021a4924498da58",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c185e1d6e2752a4b656c3ca878c525fa11f55757",
        "lessThan": "718df1bc226c383dd803397d7f5d95557eb81ac7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "0caff3e6390f840666b8dc1ecebf985c2ef3f1dd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "2e74b3fd6bf542349758f283676dff3660327c07",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "25a1c2d4b1fcf938356a9688a96a6456abd44b29",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "2aacd4de45477582993f8a8abb9505a06426bfb6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "cd957d1716ec979d8f5bf38fc659aeb9fdaa2474",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "94dc550a5062030569d4aa76e10e50c8fc001930",
        "lessThan": "f2a904107ee2b647bb7794a1a82b67740d7c8a64",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a29c4303930bc0c25ae6a4f365dcdef71447b4ea",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4.19.93",
        "lessThan": "4.19.313",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.4.8",
        "lessThan": "5.4.275",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.14.162",
        "lessThan": "4.15",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "drivers/net/gtp.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.5"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.5",
        "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": [
      "drivers/net/gtp.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-27396

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#26494 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2024-27396 · Revision 1Source updated