Review reviewHigh

CVE-2024-50074

Linux Linux, linux kernel, enterprise linux

In the Linux kernel, the following vulnerability has been resolved: parport: Proper fix for array out-of-bounds access The recent fix for array out-of-bounds accesses replaced sprintf() calls blindly with snprintf(). However, since snprintf() returns the would-be-printed size, not the actually output size, the length calculation can still go over the given limit. Use scnprintf() instead of snprintf(), which returns the actually output letters, for addressing the potential out-of-bounds access properly.

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.10.29
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: parport: Proper fix for array out-of-bounds access The recent fix for array out-of-bounds accesses replaced sprintf() calls blindly with snprintf(). However, since snprintf() returns the would-be-printed size, not the actually output size, the length calculation can still go over the given limit. Use scnprintf() instead of snprintf(), which returns the actually output letters, for addressing the potential out-of-bounds access properly.

Affected product and versions

Product
Linux Linux, linux kernel, enterprise linux
Affected versions
>= 166a0bddcc27de41fe13f861c8348e8e53e988c8 < 8aadef73ba3b325704ed5cfc4696a25c350182cf, >= 47b3dce100778001cd76f7e9188944b5cb27a76d < b0641e53e6cb937487b6cfb15772374f0ba149b3, >= a44f88f7576bc1916d8d6293f5c62fbe7cbe03e0 < 1826b6d69bbb7f9ae8711827facbb2ad7f8d0aaa, >= c719b393374d3763e64900ee19aaed767d5a08d6 < 440311903231c6e6c9bcf8acb6a2885a422e00bc, >= 7f4da759092a1a6ce35fb085182d02de8cc4cc84 < fca048f222ce9dcbde5708ba2bf81d85a4a27952, >= b579ea3516c371ecf59d073772bc45dfd28c8a0e < 66029078fee00646e2e9dbb8f41ff7819f8e7569, >= ab11dac93d2d568d151b1918d7b84c2d02bacbd5 < 2a8b26a09c8e3ea03da1ef3cd0ef6b96e559fba6, >= ab11dac93d2d568d151b1918d7b84c2d02bacbd5 < 02ac3a9ef3a18b58d8f3ea2b6e46de657bf6c4f9, >= 7789a1d6792af410aa9b39a1eb237ed24fa2170a, >= 4.19.320 < 4.19.323, >= 5.4.282 < 5.4.285, >= 5.10.224 < 5.10.228, >= 5.15.165 < 5.15.169, >= 6.1.103 < 6.1.114, >= 6.6.44 < 6.6.58, >= 6.10.3 < 6.11, >= 6.11, >= 5.11 < 5.15.169, >= 5.16 < 6.1.114, >= 6.2 < 6.6.58
Fixed versions
5.10.228, 5.15.169, 6.1.114, 6.6.58, 6.11.5

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, enterprise linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-125