{"id":"CVE-2023-3268","title":"An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs","summary":"An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-125"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.22, < 4.19.283","linux_kernel >= 4.20, < 5.4.243","linux_kernel >= 5.5, < 5.10.180","linux_kernel >= 5.11, < 5.15.111","linux_kernel >= 5.16, < 6.1.28","linux_kernel >= 6.2, < 6.2.15","linux_kernel >= 6.3, < 6.3.2","debian_linux = 10.0","debian_linux = 11.0","debian_linux = 12.0"],"patched":["linux_kernel 6.3.2"],"published":"2023-06-16","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:16.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-3268","references":[{"url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2","label":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","label":"secalert@redhat.com"},{"url":"https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20230824-0006/","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2023/dsa-5448","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2023/dsa-5480","label":"secalert@redhat.com"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230824-0006/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5448","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5480","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-806742.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00516,"epssPercentile":0.43699,"ingestedAt":"2026-08-24T16:07:20.502Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-03-06T15:55:22.009931Z"},"slug":"CVE-2023-3268","body":"## Overview\n\nAn out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.\n\n## Affected\n\n- `linux_kernel >= 2.6.22, < 4.19.283`\n- `linux_kernel >= 4.20, < 5.4.243`\n- `linux_kernel >= 5.5, < 5.10.180`\n- `linux_kernel >= 5.11, < 5.15.111`\n- `linux_kernel >= 5.16, < 6.1.28`\n- `linux_kernel >= 6.2, < 6.2.15`\n- `linux_kernel >= 6.3, < 6.3.2`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `debian_linux = 12.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.3.2`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}