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CVE-2026-74561 nexthop: avoid unlocked f6i_list walk in nh_rt_cache_flush

🗓️ 15 Aug 2026 12:28:04Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

Unlocked f6i_list walk in Linux kernel nh_rt_cache_flush causes KASAN slab-use-after-free during nexthop replace.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-74561
15 Aug 202612:28
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
–astralinux
cve
CVE
CVE-2026-74561
15 Aug 202612:28
–cve
debiancve
Debian CVE
CVE-2026-74561
15 Aug 202612:28
–debiancve
euvd
EUVD
EUVD-2026-59626
15 Aug 202612:28
–euvd
nvd
NVD
CVE-2026-74561
15 Aug 202613:18
–nvd
osv-bell
osv-bell
BELL-CVE-2026-74561
18 Aug 202606:06
–osv-bell
osv-cve
osv-cve
CVE-2026-74561 nexthop: avoid unlocked f6i_list walk in nh_rt_cache_flush
15 Aug 202612:28
–osv-cve
osv-debian
osv-debian
DEBIAN-CVE-2026-74561
15 Aug 202613:18
–osv-debian
osv-ubuntu
osv-ubuntu
UBUNTU-CVE-2026-74561
15 Aug 202613:18
–osv-ubuntu
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/nexthop.c"
    ],
    "versions": [
      {
        "version": "081efd18326e353c6fbfdeff903a83edde953f72",
        "lessThan": "f97fae992155b11da516a509c855ff9d0868b107",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "081efd18326e353c6fbfdeff903a83edde953f72",
        "lessThan": "44f53e4331a30fabc38a411fae7524341b618db3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "081efd18326e353c6fbfdeff903a83edde953f72",
        "lessThan": "4787a6d2629b4e8c0b6bacab1f75c1660eca44d9",
        "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/ipv4/nexthop.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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15 Oct 2026 10:09Current
CVSS 3.18.8
EPSS0.00165
49