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CVE

DEBIAN-CVE-2026-23076

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix potential OOB access in audio mixer handling In the audio mixer handling code of ctxfi driver, the conf field is ...
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CVE

DEBIAN-CVE-2026-23076

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Fix potential OOB access in audio mixer handling In the audio mixer handling code of ctxfi driver, the conf field is ...

In the Linux kernel, the following vulnerability has been resolved:  ALSA: ctxfi: Fix potential OOB access in audio mixer handling  In the audio mixer handling code of ctxfi driver, the conf field is used as a kind of loop index, and it's referred in the index callbacks (amixerindex() and sumindex()).  As spotted recently by fuzzers, the current code causes OOB access at those functions. | UBSAN: array-index-out-of-bounds in /build/reproducible-path/linux-6.17.8/sound/pci/ctxfi/ctamixer.c:347:48 | index 8 is out of range for type 'unsigned char [8]'  After the analysis, the cause was found to be the lack of the proper (re-)initialization of conj field.  This patch addresses those OOB accesses by adding the proper initializations of the loop indices.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
0
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-23076

Severity

7.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.1
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
5.10.249-1,6.1.162-1,6.12.69-1,6.18.8-1,6.1.162-1~deb11u1

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