CVE-2023-53992: linux
CVSS: 6.8v4.0MediumDeferred
AliasesUBUNTU-CVE-2023-53992DEBIAN-CVE-2023-53992
Published 24-12-2025Last modified 11-05-2026
Vulnerability summary
CVE-2023-53992 is a medium (CVSS 6.8) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v4.0 (OSV · Ubuntu), selected by version preferenceEPSS score
0.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the chandef state, that's a simple check.
CVSS metrics
1 score · 1 source · 1 versionMedium 6.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NSourcesSingle source
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.20% on 21-09-2026
21-09-202621-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu125 products
- linuxAll versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.55-1 | < 6.5.6-1
Linux1 product
- linux≥ 6e0bd6c35b021dc73a81ebd1ef79761233c48b50, < d7b0fe3487d203c04ee1bda91a63bd4dd398c350 | ≥ 6e0bd6c35b021dc73a81ebd1ef79761233c48b50, < 94332210902967b7d63294b43428c8ed075b20e6 | ≥ 6e0bd6c35b021dc73a81ebd1ef79761233c48b50, < abc76cf552e13cfa88a204b362a86b0e08e95228 | 3.19
3 vendors · 127 products