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CVE-2026-45876 arm64/gcs: Fix error handling in arch_set_shadow_stack_status()

🗓️ 27 May 2026 12:16:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Fix arch_set_shadow_stack_status error handling; use IS_ERR_VALUE for alloc_gcs error pointers from memory mapping, matching gcs_alloc_thread_stack.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)
30 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-45876
29 May 202600:00
nessus
Amazon
Important: kernel6.18
27 Mar 202600:00
amazon
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
19 Jun 202611:10
astralinux
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-45876
27 May 202612:16
cve
Debian CVE
CVE-2026-45876
27 May 202612:16
debiancve
EUVD
EUVD-2026-32342
27 May 202615:33
euvd
NVD
CVE-2026-45876
27 May 202614:17
nvd
OSV
BELL-CVE-2026-45876
29 May 202606:09
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/mm/gcs.c"
    ],
    "versions": [
      {
        "version": "b57180c75c7ebff6613886cb69ef6e283a10358b",
        "lessThan": "c787a235deb33be6eda40beee8f561da5fd8cb8c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b57180c75c7ebff6613886cb69ef6e283a10358b",
        "lessThan": "a4741114c9622346c4bbb8cc2bbd88153616ffaf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b57180c75c7ebff6613886cb69ef6e283a10358b",
        "lessThan": "53c998527ffa60f9deda8974a11ad39790684159",
        "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/mm/gcs.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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