CVE-2026-43496 net/sched: sch_red: Replace direct dequeue call with peek and qdisc_dequeue_peeked

🗓️ 21 May 2026 12:12:46Reported by LinuxType

CVE-2026-43496: net/sched sch_red fixes kernel panic by using peek and qdisc_dequeue_peeked.

Reporter	Title	Published	Views	Family All 29
ATTACKERKB	CVE-2026-43496	21 May 202612:12	–	attackerkb
Circl	CVE-2026-43496	21 May 202616:28	–	circl
CNNVD	Linux kernel 安全漏洞	21 May 202600:00	–	cnnvd
CVE	CVE-2026-43496	21 May 202612:12	–	cve
Debian CVE	CVE-2026-43496	21 May 202612:12	–	debiancve
EUVD	EUVD-2026-31274	21 May 202612:12	–	euvd
Mageia	Updated kernel, kmod-virtualbox & kmod-xtables-addons packages fix security vulnerabilities	5 Jun 202617:37	–	mageia
Mageia	Updated kernel-linus packages fix security vulnerabilities	6 Jun 202605:36	–	mageia
Microsoft CVE	net/sched: sch_red: Replace direct dequeue call with peek and qdisc_dequeue_peeked	22 May 202608:02	–	mscve
NVD	CVE-2026-43496	21 May 202613:16	–	nvd

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_red.c"
    ],
    "versions": [
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "03b0aaeba082ae981a0dfe96cdd03d02050537a1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "c7335f4dc0fa21f7015b910c6fc2f4d599732328",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "45cd83c5c470ba49fe261489c8358ad7b9df7c45",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "36aa34f42cb6842cf371f3a2d3e855d24fd57a50",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "ce051eede433f876d322ac3550a36a3c6fc4c231",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "8d09618840b99ef00154d3e731ce9b11e096196d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "587dcf970a525f543d8b5855d9f37a4ca97b76ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "77be155cba4e163e8bba9fd27222a8b6189ec4f7",
        "lessThan": "458d5615272d3de535748342eb68ca492343048c",
        "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_red.c"
    ],
    "versions": [
      {
        "version": "2.6.29",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.29",
        "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": "6.6.140",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "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/45cd83c5c470ba49fe261489c8358ad7b9df7c45
git	www.git.kernel.org/stable/c/587dcf970a525f543d8b5855d9f37a4ca97b76ef
git	www.git.kernel.org/stable/c/458d5615272d3de535748342eb68ca492343048c
git	www.git.kernel.org/stable/c/8d09618840b99ef00154d3e731ce9b11e096196d
git	www.git.kernel.org/stable/c/ce051eede433f876d322ac3550a36a3c6fc4c231
git	www.git.kernel.org/stable/c/c7335f4dc0fa21f7015b910c6fc2f4d599732328
git	www.git.kernel.org/stable/c/36aa34f42cb6842cf371f3a2d3e855d24fd57a50
git	www.git.kernel.org/stable/c/03b0aaeba082ae981a0dfe96cdd03d02050537a1

14 Jun 2026 17:45Current

EPSS0.00171