CVE-2023-52681: linux
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-52681DEBIAN-CVE-2023-52681
Published 17-05-2024Last modified 11-05-2026
Vulnerability summary
CVE-2023-52681 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.1% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.22%
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 13 · Related 15Timeline
- 17-05-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: efivarfs: Free s_fs_info on unmount Now that we allocate a s_fs_info struct on fs context creation, we should ensure that we free it again when the superblock goes away.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu65 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Linux2 products
- linux≥ 5329aa5101f73c451bcd48deaf3f296685849d9c, < 92be3095c6ca1cdc46237839c6087555be9160e3 | ≥ 5329aa5101f73c451bcd48deaf3f296685849d9c, < 547713d502f7b4b8efccd409cff84d731a23853b | 6.7
- linux_kernel≥ 6.7, < 6.7.2
Debian1 product
- linux< 6.8.9-1
3 vendors · 68 products
