Home/CVE/In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as th
CVE

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 th

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.

HIGH · CVSS 7 EPSS 0.00024
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0

Affected Products & Versions

17
linux kernel>= 2.6.25 and < 4.19.293
linux kernel>= 4.20 and < 5.4.235
linux kernel>= 5.5 and < 5.10.173
linux kernel>= 5.11 and < 5.15.99
linux kernel>= 5.16 and < 6.1.16
linux kernel>= 6.2 and < 6.2.3
debian linuxall versions

Scoring & Timeline

7
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Mar 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Advisories

30
rhsaRHSA-2023:6583Moderate
siemens-csafSSA-398330
suse-csafSUSE-SU-2023:4028-1
suse-csafSUSE-SU-2023:3668-1
suse-csafSUSE-SU-2023:3671-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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