High severity7.8NVD Advisory· Published May 5, 2026· Updated Jun 17, 2026
CVE-2026-43060
CVE-2026-43060
Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_ct: drop pending enqueued packets on removal
Packets sitting in nfqueue might hold a reference to:
- templates that specify the conntrack zone, because a percpu area is used and module removal is possible. - conntrack timeout policies and helper, where object removal leave a stale reference.
Since these objects can just go away, drop enqueued packets to avoid stale reference to them.
If there is a need for finer grain removal, this logic can be revisited to make selective packet drop upon dependencies.
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Affected products
7cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.19,<5.10.253
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/36eae0956f659e48d5366d9b083d9417f3263ddcnvdPatch
- git.kernel.org/stable/c/3da0b946835f33bf36b459ead764c61a761e689bnvdPatch
- git.kernel.org/stable/c/6802ff8beceb9c4254318e81c1395720438f2cc2nvdPatch
- git.kernel.org/stable/c/77da55dee67720e2b8d2db49a53334e6c017ee7bnvdPatch
- git.kernel.org/stable/c/8a64e76933672b08bd85b63086f33432070fd729nvdPatch
- git.kernel.org/stable/c/ab50302190b303f847c4eba0e31a01a56dec596envdPatch
- git.kernel.org/stable/c/e68a8db3a0546482b34e9ca5ca886bcf73eb37bbnvdPatch
- git.kernel.org/stable/c/f29a055e4f593e577805b41228b142b58f48df1bnvdPatch
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