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CVE-2025-40348 slab: Avoid race on slab->obj_exts in alloc_slab_obj_exts

🗓️ 16 Dec 2025 13:30:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 45 Views

CVE-2025-40348 fixes race in alloc_slab_obj_exts to prevent obj_exts overwrite and dereference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1495)
30 Mar 202600:00
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50006)
14 Jan 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2025-40348
17 Dec 202500:00
nessus
Amazon
Important: kernel6.12
27 Mar 202600:00
amazon
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
CNNVD
Linux kernel 安全漏洞
16 Dec 202500:00
cnnvd
CVE
CVE-2025-40348
16 Dec 202513:30
cve
Debian CVE
CVE-2025-40348
16 Dec 202513:30
debiancve
EUVD
EUVD-2025-203639
16 Dec 202515:30
euvd
NVD
CVE-2025-40348
16 Dec 202514:15
nvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/slub.c"
    ],
    "versions": [
      {
        "version": "715b6a5b41dae39baeaa40d3386b548bb278b9c2",
        "lessThan": "c7af5300d78460fc5037ddc77113ba3dbfe77dc0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07e38a54cabd9b4de7ceb7f075f29ffa463e458a",
        "lessThan": "7c34feda6a9a203c9744281f1b6671b7dad2012d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f7381b9116407ba2a429977c80ff8df953ea9354",
        "lessThan": "6ed8bfd24ce1cb31742b09a3eb557cd008533eec",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/slub.c"
    ],
    "versions": [
      {
        "version": "6.12.54",
        "lessThan": "6.12.56",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.17.4",
        "lessThan": "6.17.6",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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