{"id":"CVE-2023-1077","title":"In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with t…","summary":"In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with t…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-843"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.25, < 4.19.293","linux_kernel >= 4.20, < 5.4.235","linux_kernel >= 5.5, < 5.10.173","linux_kernel >= 5.11, < 5.15.99","linux_kernel >= 5.16, < 6.1.16","linux_kernel >= 6.2, < 6.2.3","debian_linux = 10.0","a700s_firmware","8300_firmware","8700_firmware","a400_firmware","c400_firmware","h300s_firmware","h500s_firmware","h700s_firmware","h410s_firmware","h410c_firmware"],"patched":["linux_kernel 6.2.3"],"published":"2023-03-27","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:14.437","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-1077","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c4a5b89a0b5a57a64b601775b296abf77a9fe97","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20230511-0002/","label":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7c4a5b89a0b5a57a64b601775b296abf77a9fe97","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230511-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.0028,"epssPercentile":0.19022,"ingestedAt":"2026-10-14T21:57:04.731Z","slug":"CVE-2023-1077","body":"## Overview\n\nIn the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.\n\n## Affected\n\n- `linux_kernel >= 2.6.25, < 4.19.293`\n- `linux_kernel >= 4.20, < 5.4.235`\n- `linux_kernel >= 5.5, < 5.10.173`\n- `linux_kernel >= 5.11, < 5.15.99`\n- `linux_kernel >= 5.16, < 6.1.16`\n- `linux_kernel >= 6.2, < 6.2.3`\n- `debian_linux = 10.0`\n- `a700s_firmware`\n- `8300_firmware`\n- `8700_firmware`\n- `a400_firmware`\n- `c400_firmware`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.2.3`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}