media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update()

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Summary

CVECVE-2026-43256
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:46 UTC
Updated2026-05-11 18:16:48 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: qcom: camss: vfe: Fix out-of-bounds access in vfe_isr_reg_update() vfe_isr() iterates using MSM_VFE_IMAGE_MASTERS_NUM(7) as the loop bound and passes the index to vfe_isr_reg_update(). However, vfe->line[] array is defined with VFE_LINE_NUM_MAX(4): struct vfe_line line[VFE_LINE_NUM_MAX]; When index is 4, 5, 6, the access to vfe->line[line_id] exceeds the array bounds and resulting in out-of-bounds memory access. Fix this by using separate loops for output lines and write masters.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000130000 probability, percentile 0.024500000 (date 2026-05-12)

Problem Types: CWE-125

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db e6cbf765686fb6c1d8f2530b3daf6c66efc92f5d git Not specified
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db 0c074e80921fd18984b75836730d76c768c84f65 git Not specified
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db 1b103307df6d461a0731be25aca69ad0335b0933 git Not specified
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db fade67c88870f497a13ed450ba01f7236c92dd9b git Not specified
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db e7a38ecda2498e7ce998793ac2a46ca47317635d git Not specified
CNA Linux Linux affected 4edc8eae715cecf5f8bf12a0c77c281f336c37db d965919af524e68cb2ab1a685872050ad2ee933d git Not specified
CNA Linux Linux affected 5.18 Not specified
CNA Linux Linux unaffected 5.18 semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/1b103307df6d461a0731be25aca69ad0335b0933 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e7a38ecda2498e7ce998793ac2a46ca47317635d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/fade67c88870f497a13ed450ba01f7236c92dd9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d965919af524e68cb2ab1a685872050ad2ee933d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/0c074e80921fd18984b75836730d76c768c84f65 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e6cbf765686fb6c1d8f2530b3daf6c66efc92f5d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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