ceph: fix memory leak in ceph_readdir when note_last_dentry returns error (CVE-2022-49107) | HOL Guard CVE

Medium · CVSS 5.5CVE-2022-49107

ceph: fix memory leak in ceph_readdir when note_last_dentry returns error

Answer in brief

CVE-2022-49107 records a Medium severity (CVSS 5.5) vulnerability in ceph: fix memory leak in ceph_readdir when note_last_dentry returns error. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Feb 26, 2025Updated Aug 13, 2026Source checked Sep 27, 2026First seen by HOL Aug 13, 2026Material review Aug 13, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.5
Exploitation: Not marked as known exploited
Affected software: 3 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 5.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:o:linux:linux_kernel::::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=2817b000b02c5f0c05af67c01fb2684e1381d6ef <f4429786129648a8f4bb1e5faa143c4478cc5c4a \|\| >=2817b000b02c5f0c05af67c01fb2684e1381d6ef <2fe82d3254029ef9ec4e7be890125d5ef4f537de \|\| >=2817b000b02c5f0c05af67c01fb2684e1381d6ef <e792575b902a3939ca482491ee9fb3a236f99640 \|\| >=2817b000b02c5f0c05af67c01fb2684e1381d6ef <7f740ede35132d3d5d19747cad56a511d21bb156 \|\| >=2817b000b02c5f0c05af67c01fb2684e1381d6ef <f639d9867eea647005dc824e0e24f39ffc50d4e4	f4429786129648a8f4bb1e5faa143c4478cc5c4a, 2fe82d3254029ef9ec4e7be890125d5ef4f537de, e792575b902a3939ca482491ee9fb3a236f99640, 7f740ede35132d3d5d19747cad56a511d21bb156, f639d9867eea647005dc824e0e24f39ffc50d4e4
Linux/Linuxgeneric	2.6.34	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to f4429786129648a8f4bb1e5faa143c4478cc5c4a if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 13, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 13, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.