CVE-2024-42097

ALSA: emux: improve patch ioctl data validation

MEDIUM
5.5
CVSS Score
Published: July 29, 2024 at 05:39 PM UTC
Updated: October 15, 2026 at 01:18 AM UTC
2 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFP

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: emux: improve patch ioctl data validation In load_data(), make the validation of and skipping over the main info block match that in load_guspatch(). In load_guspatch(), add checking that the specified patch length matches the actually supplied data, like load_data() already did.

Affected

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

All versionsv < 4.19.3174.20 ≤ v < 5.4.2795.11 ≤ v < 5.15.1625.16 ≤ v < 6.1.975.5 ≤ v < 5.10.2216.2 ≤ v < 6.6.376.7 ≤ v < 6.9.81da177e4c3f41524e886b7f1b8a0c1fc7321cac22.6.12
Vendor states this is fixed in 40d7def67841343c10f8642a41031fecbb248bab (fixed)
Vendor states this is fixed in 79d9a000f0220cdaba1682d2a23c0d0c61d620a3 (fixed)
Vendor states this is fixed in 7a18293fd8d8519c2f7a03753bc1583b18e3db69 (fixed)
Vendor states this is fixed in 87039b83fb7bfd7d0e0499aaa8e6c049906b4d14 (fixed)
Vendor states this is fixed in 89b32ccb12ae67e630c6453d778ec30a592a212f (fixed)
Vendor states this is fixed in d0ff2443fcbb472206d45a5d2a90cc694065804e (fixed)
Vendor states this is fixed in d23982ea9aa438f35a8c8a6305943e98a8db90f6 (fixed)
Vendor states this is fixed in d8f5ce3cb9adf0c72e2ad6089aba02d7a32469c2 (fixed)
Vendor states this is fixed in 2.6.12 (unaffected)
Vendor states this is fixed in 4.19.317 (unaffected)
Vendor states this is fixed in 5.10.221 (unaffected)
Vendor states this is fixed in 5.15.162 (unaffected)
Vendor states this is fixed in 5.4.279 (unaffected)
Vendor states this is fixed in 6.1.97 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.37 (unaffected)
Vendor states this is fixed in 6.9.8 (unaffected)

References (10)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/40d7def67841343c10f8642a41031fecbb248bab
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/79d9a000f0220cdaba1682d2a23c0d0c61d620a3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7a18293fd8d8519c2f7a03753bc1583b18e3db69
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/87039b83fb7bfd7d0e0499aaa8e6c049906b4d14
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/89b32ccb12ae67e630c6453d778ec30a592a212f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d0ff2443fcbb472206d45a5d2a90cc694065804e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d23982ea9aa438f35a8c8a6305943e98a8db90f6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d8f5ce3cb9adf0c72e2ad6089aba02d7a32469c2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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