7.8

CVE-2023-52600: linux Use After Free

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2023-52600DEBIAN-CVE-2023-52600
Published 06-03-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2023-52600 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 15 · Related 12
DLA-3840-1DLA-3842-1DSA-5681-1SUSE-SU-2024:1466-1SUSE-SU-2024:1480-1SUSE-SU-2024:1490-1

Timeline

  1. 06-03-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: fix uaf in jfs_evict_inode When the execution of diMount(ipimap) fails, the object ipimap that has been released may be accessed in diFreeSpecial(). Asynchronous ipimap release occurs when rcu_core() calls jfs_free_node(). Therefore, when diMount(ipimap) fails, sbi->ipimap should not be initialized as ipimap.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu116 products
  • linuxAll versions (No fix recorded) | < 4.4.0-253.287 | < 4.15.0-224.236 | < 5.4.0-177.197 | < 5.15.0-105.115
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1130.136 | < 4.4.0-1168.183 | < 4.15.0-1167.180 | < 5.4.0-1123.133 | < 5.15.0-1060.66
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 81b4249ef37297fb17ba102a524039a05c6c5d35 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 93df0a2a0b3cde2d7ab3a52ed46ea1d6d4aaba5f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < bc6ef64dbe71136f327d63b2b9071b828af2c2a8 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8e44dc3f96e903815dab1d74fff8faafdc6feb61 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 32e8f2d95528d45828c613417cb2827d866cbdce | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1696d6d7d4a1b373e96428d0fe1166bd7c3c795e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < bacdaa04251382d7efd4f09f9a0686bfcc297e2e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e0e1958f4c365e380b17ccb35617345b31ef7bf3 | 2.6.12
  • linux_kernel< 4.19.307 | ≥ 4.20, < 5.4.269 | ≥ 5.5, < 5.10.210 | ≥ 5.11, < 5.15.149 | ≥ 5.16, < 6.1.77 | ≥ 6.2, < 6.6.16 | ≥ 6.7, < 6.7.4
Debian1 product
  • linux< 6.1.82-1 | < 6.7.7-1

3 vendors · 119 products

References

23 links
Show all 23 references