{"id":"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-\u003ehead can change.\n\nRemove these temporary variables:\n\n- We only access &ipv6_hdr(skb)-\u003esaddr and &ipv6_hdr(skb)-\u003edaddr\n  when net_dbg_ratelimited() is called in the slow path.\n\n- Avoid potential future misuse after pskb_pull() call.","modified":"2026-07-16T03:32:43.334669179Z","published":"2026-06-24T16:29:17.691Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53006.json"},"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/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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4b3418fba0fe819197e3359d5ddbef84ba2c59de"},{"fixed":"7bff2c8fe5c35ae58bf73104f53db3676e6e5d94"},{"fixed":"aff0f28f5be803de2452ce702631c021fcd9ce8a"},{"fixed":"38bdbc897c0d83a3e2b925a51b69420f1feba29a"},{"fixed":"0069813e6ca9309eca78022bcb3aeb1e9ef90a12"},{"fixed":"1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7"},{"fixed":"7c66b368c6ff453f99cb39d84af93e908e51eef2"},{"fixed":"085e31a811ef234ef8c3e219c4636dfebfe7e10f"},{"fixed":"f996edd7615e686ada141b7f3395025729ff8ccb"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53006.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53006.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}