CVE-2026-53011

🗓️ 24 Jun 2026 16:29:22Reported by LinuxType

Fixed use-after-free in taprio advance_sched during schedule switch by using the new end_time.

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-53011 net/sched: taprio: fix use-after-free in advance_sched() on schedule switch	24 Jun 202616:29	–	cvelist
Debian CVE	CVE-2026-53011	24 Jun 202616:29	–	debiancve
EUVD	EUVD-2026-38879	24 Jun 202618:32	–	euvd
NVD	CVE-2026-53011	24 Jun 202617:17	–	nvd
OSV	DEBIAN-CVE-2026-53011	24 Jun 202620:48	–	osv
Positive Technologies	PT-2026-51905	24 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.2–5.10.258

linux linux_kernelRange5.11.0–5.15.209

linux linux_kernelRange5.16.0–6.1.175

linux linux_kernelRange6.2.0–6.6.141

linux linux_kernelRange6.7.0–6.12.91

linux linux_kernelRange6.13.0–6.18.33

linux linux_kernelRange6.19.0–7.0.10

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_taprio.c"
    ],
    "versions": [
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "a8fc396519ef4f081bc545e88f61241728bb78d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "3471874578160a28c171a607fa069f24062634b8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "7256996e1ef553716817f3bfd077c2f3b48b582f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "eee072fe16c646190d33ae69c9983d8de1562bf8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "1bd286fa3e21200133478ed523cc6a2788baf38a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "b73235da5dde77ed1264f9767b62c28c9d71fd78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "0e62171df8ed4804d00db088f17eed06468233fa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3d43c0d56f1b94e74963a2fbadfb70126d92213",
        "lessThan": "105425b1969c5affe532713cfac1c0b320d7ac2b",
        "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/sched/sch_taprio.c"
    ],
    "versions": [
      {
        "version": "5.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/3471874578160a28c171a607fa069f24062634b8
git	www.git.kernel.org/stable/c/1bd286fa3e21200133478ed523cc6a2788baf38a
git	www.git.kernel.org/stable/c/7256996e1ef553716817f3bfd077c2f3b48b582f
git	www.git.kernel.org/stable/c/105425b1969c5affe532713cfac1c0b320d7ac2b
git	www.git.kernel.org/stable/c/eee072fe16c646190d33ae69c9983d8de1562bf8
git	www.git.kernel.org/stable/c/b73235da5dde77ed1264f9767b62c28c9d71fd78
git	www.git.kernel.org/stable/c/0e62171df8ed4804d00db088f17eed06468233fa
git	www.git.kernel.org/stable/c/a8fc396519ef4f081bc545e88f61241728bb78d7

24 Jun 2026 17:17Current

5.7Medium risk

Vulners AI Score5.7