CVE-2026-68171

🗓️ 10 Aug 2026 11:59:40Reported by LinuxType

Arm sixty four re-sync orig x0 from x0 at syscall entry after ptrace or seccomp stops for native tasks.

Reporter	Title	Published	Views	Family All 3
Cvelist	CVE-2026-68171 arm64: syscall: Ensure saved x0 is kept in-sync with tracer updates	10 Aug 202611:59	–	cvelist
EUVD	EUVD-2026-55557	10 Aug 202615:33	–	euvd
NVD	CVE-2026-68171	10 Aug 202613:20	–	nvd

Vulners

CNA

Node

linux linux_kernelRange4.8–6.6.148

linux linux_kernelRange6.7.0–6.12.101

linux linux_kernelRange6.13.0–6.18.42

linux linux_kernelRange6.19.0–7.1.6

linux linux_kernelRange7.2.0–7.2-rc5

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/kernel/ptrace.c"
    ],
    "versions": [
      {
        "version": "a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615",
        "lessThan": "8000a5f4d1d192f5bb3e4f29e7606a9460d376df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615",
        "lessThan": "b7afd2a80593dde3f4a68c9a9f73752f9c340e85",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615",
        "lessThan": "64ab0964c7db949abbd3c56268a220e2b77f7b9e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615",
        "lessThan": "e59c2476ef755221da31f4e26f6b89712ecf50f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a5cd110cb8369d6b37ef5ccfe56b3fa1338c9615",
        "lessThan": "e057b94772328221405b067c3a85fe479b915dc8",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/kernel/ptrace.c"
    ],
    "versions": [
      {
        "version": "4.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/e59c2476ef755221da31f4e26f6b89712ecf50f1
git	www.git.kernel.org/stable/c/8000a5f4d1d192f5bb3e4f29e7606a9460d376df
git	www.git.kernel.org/stable/c/b7afd2a80593dde3f4a68c9a9f73752f9c340e85
git	www.git.kernel.org/stable/c/64ab0964c7db949abbd3c56268a220e2b77f7b9e
git	www.git.kernel.org/stable/c/e057b94772328221405b067c3a85fe479b915dc8

10 Aug 2026 13:20Current

5.2Medium risk

Vulners AI Score5.2