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CVE-2026-74506 afs: Fix UAF when sending a message

🗓️ 15 Aug 2026 12:27:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

KASAN-detected use-after-free in afs_make_call when async calls race with destruction during rxrpc send.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74506
15 Aug 202612:27
attackerkb
cve
CVE
CVE-2026-74506
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74506
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59699
15 Aug 202612:27
euvd
nvd
NVD
CVE-2026-74506
15 Aug 202613:17
nvd
osv
OSV
DEBIAN-CVE-2026-74506
15 Aug 202613:17
osv
ptsecurity
Positive Technologies
PT-2026-72958
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/afs/internal.h"
    ],
    "versions": [
      {
        "version": "e49c7b2f6de7ff81ca34c56e4eeb4fa740c099f2",
        "lessThan": "c0d3b81f703b2a9e37fe1347610a50cdf0078c27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e49c7b2f6de7ff81ca34c56e4eeb4fa740c099f2",
        "lessThan": "daaa726b14fc3026a6b328614d312b698f62f391",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e49c7b2f6de7ff81ca34c56e4eeb4fa740c099f2",
        "lessThan": "4af1ec68d54b3871155914d584fb10669c41a861",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/afs/internal.h"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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