{"id":"CVE-2026-72373","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix missing NULL pointer check in afs_break_some_callbacks()\n\nFix afs_break_some_callbacks() to check to see if afs_lookup_volume_rcu()\nreturned NULL (e.g","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix missing NULL pointer check in afs_break_some_callbacks()\n\nFix afs_break_some_callbacks() to check to see if afs_lookup_volume_rcu()\nreturned NULL (e.g. the spe…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 9"],"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:25.620","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72373","references":[{"url":"https://git.kernel.org/stable/c/5492799ec5d27be3bd454dcaf046bc7054f637ae","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/794a01110390c1b76f59ece773fb0fbfd89c6f5c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a99a617701186dc68c7b330d35fc2253f48e2ab2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e3e59ff22a0de01ed0cf3a3e25558811abc3b70a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72373.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-72373"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516245"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72373"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72373"},{"url":"https://lore.kernel.org/linux-cve-announce/2026081516-CVE-2026-72373-c10b@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.0063,"epssPercentile":0.49975,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-16T18:48:08.172358Z"},"scores":{"nvd":7.5,"vendor":5.5,"cna":7.5},"ingestedAt":"2026-10-16T19:46:24.402Z","slug":"CVE-2026-72373","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix missing NULL pointer check in afs_break_some_callbacks()\n\nFix afs_break_some_callbacks() to check to see if afs_lookup_volume_rcu()\nreturned NULL (e.g. the specified volume is unknown).\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72373.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":230299,"id":"CVE-2026-72373","ts":1793130916051,"field":"cvss","old":"5.5","new":"7.5"},{"seq":230298,"id":"CVE-2026-72373","ts":1793130916051,"field":"severity","old":"medium","new":"high"},{"seq":223637,"id":"CVE-2026-72373","ts":1792238343699,"field":"cvss","old":"7.5","new":"5.5"},{"seq":223636,"id":"CVE-2026-72373","ts":1792238343699,"field":"severity","old":"high","new":"medium"}]}