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x86, relocs: Ignore relocations in .notes section

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: x86, relocs: Ignore relocations in .notes section When building with CONFIG_XEN_PV=y, .text symbols are emitted into the .notes section so that Xen can find the "startup_xen" entry point. This information is used prior to booting the kernel, so relocations are not useful. In fact, performing relocations against the .notes section means that the KASLR base is exposed since /sys/kernel/notes is world-readable. To avoid leaking the KASLR base without breaking unprivileged tools that are expecting to read /sys/kernel/notes, skip performing relocations in the .notes section. The values readable in .notes are then identical to those found in System.map.

Announced Source revision 1
Original source ↗

CVE-2024-26816

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-2024-26816

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": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "13edb509abc91c72152a11baaf0e7c060a312e03",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "52018aa146e3cf76569a9b1e6e49a2b7c8d4a088",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "a4e7ff1a74274e59a2de9bb57236542aa990d20a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "c7cff9780297d55d97ad068b68b703cfe53ef9af",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "47635b112a64b7b208224962471e7e42f110e723",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "af2a9f98d884205145fd155304a6955822ccca1c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "ae7079238f6faf1b94accfccf334e98b46a0c0aa",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "5cb59db49c9c0fccfd33b2209af4f7ae3c6ddf40",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ead97c84fa7d63a6a7a2f4e9f18f452bd109045",
        "lessThan": "aaa8736370db1a78f0e8434344a484f9fd20be3b",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "arch/x86/tools/relocs.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.23"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.23",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.19.311",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.273",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.214",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.153",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.83",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.23",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.11",
        "versionType": "semver",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.8.*"
      },
      {
        "status": "unaffected",
        "version": "6.9",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "arch/x86/tools/relocs.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2024-26816

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26429 · Revision 1
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Publisher date
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