CVE-2026-23445

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.

The following products are affected by CVE-2026-23445 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23445.

URL	Resource
https://git.kernel.org/stable/c/31521c124e6488c4a81658e35199feb75a988d86
https://git.kernel.org/stable/c/45b33e805bd39f615d9353a7194b2da5281332df
https://git.kernel.org/stable/c/5e4c90c94eb766d70e30694b7fe66862aabaf24b
https://git.kernel.org/stable/c/b02fa17d1744d19cd3820bdbf6ec5d85547977bf
https://lore.kernel.org/linux-cve-announce/2026040315-CVE-2026-23445-d003@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-23445
https://www.cve.org/CVERecord?id=CVE-2026-23445