{"id":"CVE-2026-53006","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-53006","summary":"ipv6: fix possible UAF in icmpv6_rcv()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible UAF in icmpv6_rcv()\n\nCaching saddr and daddr before pskb_pull() is problematic\nsince skb->head can change.\n\nRemove these temporary variables:\n\n- We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr\n  when net_dbg_ratelimited() is called in the slow path.\n\n- Avoid potential future misuse after pskb_pull() call.","published":"2026-06-24T16:29:17.691Z","modified":"2026-08-26T18:27:39.056258493Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.00395,"percentile":0.3228,"asOf":"2026-08-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.258"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0069813e6ca9309eca78022bcb3aeb1e9ef90a12"},{"type":"WEB","url":"https://git.kernel.org/stable/c/085e31a811ef234ef8c3e219c4636dfebfe7e10f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/38bdbc897c0d83a3e2b925a51b69420f1feba29a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7bff2c8fe5c35ae58bf73104f53db3676e6e5d94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c66b368c6ff453f99cb39d84af93e908e51eef2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aff0f28f5be803de2452ce702631c021fcd9ce8a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f996edd7615e686ada141b7f3395025729ff8ccb"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53006.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:45192"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:47010"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:47011"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:47017"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-53006"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53006.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53006"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492363"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-26T18:27:39.056258493Z"}}