{"cve":"CVE-2026-23445","nvd":{"published":"2026-04-03T16:16:30.077","modified":"2026-10-19T19:17:48.597","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nigc: fix page fault in XDP TX timestamps handling\n\nIf an XDP application that requested TX timestamping is shutting down\nwhile the link of the interface in use is still up the following kernel\nsplat is reported:\n\n[  883.803618] [   T1554] BUG: unable to handle page fault for address: ffffcfb6200fd008\n...\n[  883.803650] [   T1554] Call Trace:\n[  883.803652] [   T1554]  <TASK>\n[  883.803654] [   T1554]  igc_ptp_tx_tstamp_event+0xdf/0x160 [igc]\n[  883.803660] [   T1554]  igc_tsync_interrupt+0x2d5/0x300 [igc]\n...\n\nDuring shutdown of the TX ring the xsk_meta pointers are left behind, so\nthat the IRQ handler is trying to touch them.\n\nThis issue is now being fixed by cleaning up the stale xsk meta data on\nTX shutdown. TX timestamps on other queues remain unaffected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-416"],"references":["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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-23445","score":0.00129,"percentile":0.02527,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}