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CVE-2026-23273 macvlan: observe an RCU grace period in macvlan_common_newlink() error path

🗓️ 20 Mar 2026 08:08:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 51 Views

Macvlan race fixed by respecting RCU grace period before freeing dev in newlink error path.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23273
20 Mar 202608:08
–attackerkb
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1491)
30 Mar 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1543)
7 Apr 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2 : kernel (ALASKERNEL-5.10-2026-115)
1 Apr 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-100 (ALASKERNEL-5.15-2026-100)
30 Apr 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1338)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1342)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.4 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-64k / kernel-64k-core / etc Multiple Vulnerabilities (ciqsa-2026_1339)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.6 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1337)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.6 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1343)
1 Oct 202600:00
–nessus
Rows per page
[
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    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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      "drivers/net/macvlan.c"
    ],
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    ],
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        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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