5.5

CVE-2024-46753: btrfs: handle errors from btrfs_dec_ref() properly

Modified
AliasesUBUNTU-CVE-2024-46753DEBIAN-CVE-2024-46753
Published 18-09-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-46753 is a medium (CVSS 5.5) Reachable Assertion vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.26%
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 33 · Related 30

Timeline

  1. 18-09-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle errors from btrfs_dec_ref() properly In walk_up_proc() we BUG_ON(ret) from btrfs_dec_ref(). This is incorrect, we have proper error handling here, return the error.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% 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.

Ubuntu130 products
  • linuxAll versions (No fix recorded) | < 5.15.0-142.152 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1086.93 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < 0e4840ae09f375381167000ce47424818fcbcc7c | ≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < 2c4fe45351e544da4b8f10c74b277117a4fa7869 | ≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < 9c8237021b53d52357c0de07a768582fafb2791d | ≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < 67e4ca7ddc67ef949326b4dc404a9678bbe67d72 | ≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < a7f16a7a709845855cb5a0e080a52bda5873f9de | ≥ 2c47e605a91dde6b0514f689645e7ab336c8592a, < 5eb178f373b4f16f3b42d55ff88fc94dd95b93b1 | 2.6.31
  • linux_kernel< 5.10.236 | ≥ 5.11, < 5.15.180 | ≥ 5.16, < 6.1.134 | ≥ 6.2, < 6.6.87 | ≥ 6.7, < 6.10.10
Debian1 product
  • linux< 6.1.135-1 | < 6.10.11-1

3 vendors · 133 products

References

31 links
Show all 31 references