CVE-2026-74436

🗓️ 15 Aug 2026 05:59:34Reported by LinuxType

cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 48 Views

rxrpc use-after-free in kernel accept preallocation via unsynchronized backlog access during socket teardown.

Reporter	Title	Published	Views	Family All 18
ATTACKERKB	CVE-2026-74436	15 Aug 202605:59	–	attackerkb
Circl	CVE-2026-74436	17 Aug 202615:50	–	circl
Cvelist	CVE-2026-74436 rxrpc: serialize kernel accept preallocation with socket teardown	15 Aug 202605:59	–	cvelist
Debian	[SECURITY] [DLA 4745-1] linux-6.12 security update	18 Aug 202610:51	–	debian
Debian CVE	CVE-2026-74436	15 Aug 202605:59	–	debiancve
Tenable Nessus	Debian dla-4745 : ata-modules-6.12.100+deb12-armmp-di - security update	18 Aug 202600:00	–	nessus
Tenable Nessus	Photon OS 5.0: Linux PHSA-2026-5.0-92-0952	12 Aug 202600:00	–	nessus
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-74436	15 Aug 202600:00	–	nessus
EUVD	EUVD-2026-59583	15 Aug 202605:59	–	euvd
NVD	CVE-2026-74436	15 Aug 202606:22	–	nvd

Vulners

CNA

Node

linux linux_kernelRange4.9–5.10.266

linux linux_kernelRange5.11.0–5.15.217

linux linux_kernelRange5.16.0–6.1.184

linux linux_kernelRange6.2.0–6.6.148

linux linux_kernelRange6.7.0–6.12.101

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/call_accept.c"
    ],
    "versions": [
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "d6207326b4ca0ae1041281b6af9df53f8080669a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "11b429b84c87cb5a0152f14e7d6cb649ed363901",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "c20d983968f239574290cf804a58cde18ad1c559",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "0337cdba0c477f176c0459bed012109453184573",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "dfa0b2bbc5e50119f89c6b5407faa5ed86dfa7c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "35a967ff8b24db09ee429c39c5b5e6571639997d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "1741378a7a83dfd8e53a9196730df709b903cd33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00e907127e6f86d0f9b122d9b4347a8aa09a8b61",
        "lessThan": "dc175389b18c29a5303ee83169ec653adfae3e17",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/call_accept.c"
    ],
    "versions": [
      {
        "version": "4.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.266",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.217",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.184",
        "lessThanOrEqual": "6.1.*",
        "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": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/dc175389b18c29a5303ee83169ec653adfae3e17
git	www.git.kernel.org/stable/c/c20d983968f239574290cf804a58cde18ad1c559
git	www.git.kernel.org/stable/c/35a967ff8b24db09ee429c39c5b5e6571639997d
git	www.git.kernel.org/stable/c/d6207326b4ca0ae1041281b6af9df53f8080669a
git	www.git.kernel.org/stable/c/1741378a7a83dfd8e53a9196730df709b903cd33
git	www.git.kernel.org/stable/c/11b429b84c87cb5a0152f14e7d6cb649ed363901
git	www.git.kernel.org/stable/c/dfa0b2bbc5e50119f89c6b5407faa5ed86dfa7c5
git	www.git.kernel.org/stable/c/0337cdba0c477f176c0459bed012109453184573

23 Aug 2026 13:16Current

5.3Medium risk

Vulners AI Score5.3

CVSS 3.19.8

EPSS0.00399