CVE-2023-1077: debian debian_linux
Vulnerability summary
CVE-2023-1077 is a high (CVSS 7.0) vulnerability in debian debian_linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.6% of scored vulnerabilities.
Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 54 · Related 49Timeline
- 27-03-2023PublishedVulnerability first disclosed.
- 02-11-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.28% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu91 products
- linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
- linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Debian2 products
- linux< 6.1.20-1
- debian_linuxEOL10.0
Linux1 product
- linux_kernel≥ 2.6.25, < 4.19.293 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
4 vendors · 104 products
References
20 links
- security.netapp.com/advisory/ntap-20230511-0002/Third Party Advisory