Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 84601d6ee68ae820dec97450934797046d62db4b before d016c216bc75c45128160593a77b864a04dbe7c0; affected 84601d6ee68ae820dec97450934797046d62db4b before cb2bf5efdb02a2a59faf603604a1066e8266f349; affected 84601d6ee68ae820dec97450934797046d62db4b before c25e0dec366ae99b7264324ce3c7cbaea34691f9; affected 84601d6ee68ae820dec97450934797046d62db4b before 54244d54a971c26a0cd0a9073460ff71f3c51b32; affected 84601d6ee68ae820dec97450934797046d62db4b before 24f90fa3994b992d1a09003a3db2599330a5232a |
| Linux / Linux | affected 6.4; unaffected 0 before 6.4; unaffected 6.6.130 through 6.6.*; unaffected 6.12.78 through 6.12.*; unaffected 6.18.20 through 6.18.*; unaffected 6.19.10 through 6.19.*; unaffected 7.0 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0
- https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349
- https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9
- https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32
- https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a
ADP enrichment
No English description supplied.
No references supplied.