VDB
CVE-2026-23412
CVE-2026-23412
PUBLISHED
In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlink_hooks: BUG: KASAN: slab-use-after-free in nfnl_hook_dump_one.isra.0+0xe71/0x10f0 Read of size 8 at addr ffff888003edbf88 by task poc/79 Call Trace: <TASK> nfnl_hook_dump_one.isra.0+0xe71/0x10f0 netlink_dump+0x554/0x12b0 nfnl_hook_get+0x176/0x230 [..] Defer release until after concurrent readers have completed.
EPSS 0.02% · 3.5th percentile
Risk Scores
EPSS Score
0.02%
3.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | *, 6.12.78, 6.18.20 |
| linux | linux_kernel | 6.4, 6.4, 6.4 |
Timeline
- Apr 2, 2026 CVE Published
- Apr 2, 2026 Security Advisory
- Apr 27, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0 url
- https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349 url
- https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9 url
- https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32 url
- https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a url
- https://nvd.nist.gov/vuln/detail/CVE-2026-23412 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261532-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621230-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261463-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261574-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261527-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621114-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261531-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261583-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261505-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621221-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621120-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621123-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261573-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20261578-1 advisory
…and 85 more