Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_counter: serialize reset with spinlock Add a global static spinlock to serialize counter fetch+reset operations, preventing concurrent dump-and-reset from underrunning values. The lock is taken before fetching the total so that two parallel resets cannot both read the same counter values and then both subtract them. A global lock is used for simplicity since resets are infrequent. If this becomes a bottleneck, it can be replaced with a per-net lock later.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected fb1adb05ea87b6149e65a31e511756c4f470d0cd before e13194e60217db02c2e7202375d9e5951267d87b; affected f123293db16dcd0cd81b246ae60e6362f0025d0a before de6601f1374fab124cd9276df6671f64d940ceb4; affected 3cb03edb4de33fd04c4ea55f47397b96a8657c53 before 48cf7918d10c66cb6b05226fa3fa5daf0c891089; affected 3cb03edb4de33fd04c4ea55f47397b96a8657c53 before cd968dcdec6aee79a2d399e4f6e0eca63c3b45e1; affected 3cb03edb4de33fd04c4ea55f47397b96a8657c53 before 0cdc6d5a26f2d1f7f15a43526841b679445c32e2; affected 3cb03edb4de33fd04c4ea55f47397b96a8657c53 before 779c60a5190c42689534172f4b49e927c9959e4e; affected 6.1.107 before 6.1.188; affected 6.6.48 before 6.6.157 |
| Linux / Linux | affected 6.7; unaffected 0 before 6.7; unaffected 6.1.188 through 6.1.*; unaffected 6.6.157 through 6.6.*; unaffected 6.12.101 through 6.12.*; unaffected 6.18.42 through 6.18.*; unaffected 6.19.4 through 6.19.*; unaffected 7.0 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/e13194e60217db02c2e7202375d9e5951267d87b
- https://git.kernel.org/stable/c/de6601f1374fab124cd9276df6671f64d940ceb4
- https://git.kernel.org/stable/c/48cf7918d10c66cb6b05226fa3fa5daf0c891089
- https://git.kernel.org/stable/c/cd968dcdec6aee79a2d399e4f6e0eca63c3b45e1
- https://git.kernel.org/stable/c/0cdc6d5a26f2d1f7f15a43526841b679445c32e2
- https://git.kernel.org/stable/c/779c60a5190c42689534172f4b49e927c9959e4e