7.8

CVE-2022-48712: ext4: fix error handling in ext4_fc_record_modified_inode()

Analyzed
AliasesUBUNTU-CVE-2022-48712DEBIAN-CVE-2022-48712
Published 20-06-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48712 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5
SUSE-SU-2024:2372-1SUSE-SU-2024:2394-1SUSE-SU-2024:2902-1SUSE-SU-2024:2929-1SUSE-SU-2024:2939-1

Timeline

  1. 20-06-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4_fc_record_modified_inode() Current code does not fully takes care of krealloc() error case, which could lead to silent memory corruption or a kernel bug. This patch fixes that. Also it cleans up some duplicated error handling logic from various functions in fast_commit.c file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu92 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)
Linux2 products
  • linux≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 62e46e0ffc02daa8fcfc02f7a932cc8a19601b19 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 1b6762ecdf3cf12113772427c904aa3c420a1802 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 14aa3f49c7fc6424763f4323bfbc3a807b0727dc | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < cdce59a1549190b66f8e3fe465c2b2f714b98a94 | 5.10
  • linux_kernel< 5.10.99 | ≥ 5.11, < 5.15.22 | ≥ 5.16, < 5.16.8 | 5.17:rc1 | 5.17:rc2
Debian1 product
  • linux< 5.16.10-1

3 vendors · 95 products

References

8 links