Riskcovery

CVE-2024-57928

netfs: Fix enomem handling in buffered reads

State
Published
Severity
Not scored
Published
Jan 19, 2025
Updated
May 11, 2026
Reserved
Jan 19, 2025

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix enomem handling in buffered reads

If netfs_read_to_pagecache() gets an error from either ->prepare_read() or from netfs_prepare_read_iterator(), it needs to decrement ->nr_outstanding, cancel the subrequest and break out of the issuing loop. Currently, it only does this for two of the cases, but there are two more that aren't handled.

Fix this by moving the handling to a common place and jumping to it from all four places. This is in preference to inserting a wrapper around netfs_prepare_read_iterator() as proposed by Dmitry Antipov[1].

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • ee4cdf7ba857a894ad1650d6ab77669cbbfa329e to before 88ecdfea1b333de5c51442b45cd549eeadf01852Affected
  • ee4cdf7ba857a894ad1650d6ab77669cbbfa329e to before 105549d09a539a876b7c3330ab52d8aceedad358Affected
LinuxLinux
  • 6.12Affected
  • before 6.12Not affected
  • 6.12.10 through 6.12.*Not affected
  • 6.13 and laterNot affected

References

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