5.5

CVE-2022-49107: ceph: fix memory leak in ceph_readdir when note_last_dentry returns error

Modified
AliasesUBUNTU-CVE-2022-49107DEBIAN-CVE-2022-49107
Published 26-02-2025Last modified 12-08-2026

Vulnerability summary

CVE-2022-49107 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.8% 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 (CVE.org)
EPSS score
0.25%
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 6 · Related 5

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 12-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in ceph_readdir when note_last_dentry returns error Reset the last_readdir at the same time, and add a comment explaining why we don't free last_readdir when dir_emit returns false.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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.

Ubuntu108 products
  • linuxAll versions (No fix recorded) | < 5.15.0-37.39
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1011.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2817b000b02c5f0c05af67c01fb2684e1381d6ef, < f4429786129648a8f4bb1e5faa143c4478cc5c4a | ≥ 2817b000b02c5f0c05af67c01fb2684e1381d6ef, < 2fe82d3254029ef9ec4e7be890125d5ef4f537de | ≥ 2817b000b02c5f0c05af67c01fb2684e1381d6ef, < e792575b902a3939ca482491ee9fb3a236f99640 | ≥ 2817b000b02c5f0c05af67c01fb2684e1381d6ef, < 7f740ede35132d3d5d19747cad56a511d21bb156 | ≥ 2817b000b02c5f0c05af67c01fb2684e1381d6ef, < f639d9867eea647005dc824e0e24f39ffc50d4e4 | 2.6.34
  • linux_kernel< 5.10.111 | ≥ 5.11, < 5.15.34 | ≥ 5.16, < 5.16.20 | ≥ 5.17, < 5.17.3
Debian1 product
  • linux< 5.17.3-1

3 vendors · 111 products

References

9 links