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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-tools-develUpgrade bpftool6.12-debuginfoUpgrade kernel6.12Upgrade python3-perf6.12Upgrade kernel6.12-toolsUpgrade bpftool6.12Upgrade kernel6.12-modules-extra-commonUpgrade perf6.12-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-modules-extraUpgrade kernel6.12-tools-debuginfoUpgrade kernel-livepatch-6.12.103-127.188Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfoUpgrade perf6.12Upgrade kernel6.12-headersUpgrade kernel6.12-devel | Sep 1, 2026 | May 27, 2026 |
| Debian | — | Upgrade linux-6.12Upgrade linux | Aug 9, 2026 | Aug 9, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 14, 2026 | May 27, 2026 |
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