CVE-2022-50465

ext4: fix leaking uninitialized memory in fast-commit journal

MEDIUM

5.5

CVSS Score

Published: October 1, 2025 at 11:45 AM UTC

Updated: June 17, 2026 at 05:23 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix leaking uninitialized memory in fast-commit journal When space at the end of fast-commit journal blocks is unused, make sure to zero it out so that uninitialized memory is not leaked to disk.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.10 ≤ v < 5.10.1635.10 ≤ v < 5.15.875.10 ≤ v < 6.0.185.10 ≤ v < 6.1.45.10 ≤ v < 6.25.11 ≤ v < 5.15.875.16 ≤ v < 6.0.186.1 ≤ v < 6.1.45.10aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e

Vendor states this is fixed in 594bc43b410316d70bb42aeff168837888d96810 (fixed)

Vendor states this is fixed in 7c1fb65e8ce85c281d2cba9c236f9edbbc4eaca6 (fixed)

Vendor states this is fixed in 871800770d7f2f952c7249ad52485c3564dab44e (fixed)

Vendor states this is fixed in b8b7922374b00a44137e5bcdd46ef86c8b065f27 (fixed)

Vendor states this is fixed in d9ba03eb03dc2dccb5450de388ea46bdcaaf8348 (fixed)

Vendor states this is fixed in 5.10 (unaffected)

Vendor states this is fixed in 5.10.163 (unaffected)

Vendor states this is fixed in 5.15.87 (unaffected)

Vendor states this is fixed in 6.0.18 (unaffected)

Vendor states this is fixed in 6.1.4 (unaffected)

Vendor states this is fixed in 6.2 (unaffected)