Vulnerability in Linux Kernel
CVE-2023-1077
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 the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/ (Patch, Mailing List)
- lists.debian.org/debian-lts-announce/2023/05/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230511-0002/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/01/msg00004.html (mailing-list, Mailing List)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2023-1077?
- CVE-2023-1077 is a high-severity vulnerability in Linux Kernel, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.0/10. Published 2023-03-27.
- How severe is CVE-2023-1077?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-1077 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.