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CVE-2026-53095 bpf: Fix abuse of kprobe_write_ctx via freplace

🗓️ 24 Jun 2026 16:30:33Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Fix abuse of kprobe_write_ctx via freplace; disallow freplace on kprobes when contexts differ

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-53095
24 Jun 202616:30
cve
Debian CVE
CVE-2026-53095
24 Jun 202616:30
debiancve
EUVD
EUVD-2026-38963
24 Jun 202616:30
euvd
NVD
CVE-2026-53095
24 Jun 202617:17
nvd
OSV
DEBIAN-CVE-2026-53095
24 Jun 202620:48
osv
OSV
UBUNTU-CVE-2026-53095
25 Jun 202600:00
osv
Positive Technologies
PT-2026-51989
24 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-53095
25 Jun 202602:10
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/syscall.c"
    ],
    "versions": [
      {
        "version": "7384893d970ea114952aef54ad7e3d7d2ca82d4f",
        "lessThan": "b312cf41b9e43f442613053f6cad39898e1baf96",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7384893d970ea114952aef54ad7e3d7d2ca82d4f",
        "lessThan": "9836cadbd96c7e0dbb0018fa60e7872dd31ac4f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7384893d970ea114952aef54ad7e3d7d2ca82d4f",
        "lessThan": "611fe4b79af72d00d80f2223354284447daafae9",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/bpf/syscall.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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