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CVE-2024-50291

media: dvb-core: add missing buffer index check

MEDIUM
5.5
CVSS Score
Published: November 19, 2024 at 01:30 AM UTC
Updated: August 5, 2026 at 12:05 PM UTC
1 product affected across 1 vendorLinux Kernel

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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: media: dvb-core: add missing buffer index check dvb_vb2_expbuf() didn't check if the given buffer index was for a valid buffer. Add this check.

Affected

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

Linux Kernel· Linux
95%
6.8 ≤ v < 6.11.86.8 ≤ v < 6.126.12 rc16.12 rc26.12 rc36.12 rc46.12 rc56.12 rc67dc866df40127dceac9ba83ae16c0c11e7d1666f
Vendor states this is fixed in 721c37af0355cc0b540909c57fd7930dc99c72d8 (fixed)
Vendor states this is fixed in fa88dc7db176c79b50adb132a56120a1d4d9d18b (fixed)
Vendor states this is fixed in 6.11.8 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/721c37af0355cc0b540909c57fd7930dc99c72d8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fa88dc7db176c79b50adb132a56120a1d4d9d18b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-129

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