In the Linux kernel, the following vulnerability has been resolved:
igc: fix page fault in XDP TX timestamps handling
If an XDP application that requested TX timestamping is shutting down while the link of the interface in use is still up the following kernel splat is reported:
[ 883.803618] [ T1554] BUG: unable to handle page fault for address: ffffcfb6200fd008 ... [ 883.803650] [ T1554] Call Trace: [ 883.803652] [ T1554] <TASK> [ 883.803654] [ T1554] igc_ptp_tx_tstamp_event+0xdf/0x160 [igc] [ 883.803660] [ T1554] igc_tsync_interrupt+0x2d5/0x300 [igc] ...
During shutdown of the TX ring the xsk_meta pointers are left behind, so that the IRQ handler is trying to touch them.
This issue is now being fixed by cleaning up the stale xsk meta data on TX shutdown. TX timestamps on other queues remain unaffected.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.12-debuginfoUpgrade kernel6.12-libbpf-develUpgrade perf6.18-debuginfoUpgrade bpftool6.12-debuginfoUpgrade kernel6.18-headersUpgrade bpftool6.12Upgrade kernel6.18-libbpf-develUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-develUpgrade kernel6.12-libbpf-staticUpgrade kernel6.18-libbpfUpgrade kernel6.12-modules-extraUpgrade perf6.12Upgrade kernel-livepatch-6.18.20-20.229Upgrade kernel6.12-libbpfUpgrade kernel-livepatch-6.12.79-101.147Upgrade python3-perf6.18-debuginfoUpgrade kernel6.18-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-tools-develUpgrade perf6.12-debuginfoUpgrade kernel6.12-tools-debuginfoUpgrade kernel6.18-modules-extraUpgrade kernel6.18-toolsUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-headersUpgrade python3-perf6.18Upgrade kernel6.18-libbpf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.18-debuginfo-common-aarch64Upgrade kernel6.18-libbpf-staticUpgrade bpftool6.18Upgrade kernel6.12-tools-develUpgrade kernel6.12-libbpf-debuginfoUpgrade kernel6.12-toolsUpgrade kernel6.18-modules-extra-commonUpgrade perf6.18Upgrade python3-perf6.12Upgrade kernel6.12-modules-extra-commonUpgrade kernel6.12Upgrade kernel6.12-develUpgrade kernel6.18 | May 4, 2026 | Apr 3, 2026 |
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Apr 3, 2026 |
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