Medium severity5.5NVD Advisory· Published May 1, 2026· Updated Jun 17, 2026
CVE-2026-31777
CVE-2026-31777
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: ctxfi: Check the error for index mapping
The ctxfi driver blindly assumed a proper value returned from daio_device_index(), but it's not always true. Add a proper error check to deal with the error from the function.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19- osv-coords11 versionspkg:linux/kernelpkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-azure-6.18pkg:apk/chainguard/linux-gcp-6.18pkg:apk/chainguard/linux-gcp-6.18-bootcpkg:apk/chainguard/linux-gcp-6.18-bootc-boot-installedpkg:apk/chainguard/linux-qemu-6.18pkg:apk/chainguard/linux-qemu-6.18-bootc-boot-installedpkg:apk/chainguard/linux-qemu-melangepkg:apk/chainguard/linux-azure-6.12pkg:apk/chainguard/linux-vmware-6.12
>= 2.6.31, < 6.19.12+ 10 more
- (no CPE)range: >= 2.6.31, < 6.19.12
- (no CPE)range: < 6.12.85-r2
- (no CPE)range: < 6.18.24-r1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 6.18.38-r2
- (no CPE)range: < 0
- (no CPE)range: < 6.18.38-r2
- (no CPE)range: < 6.18.34-r0
- (no CPE)range: < 6.12.85-r2
- (no CPE)range: < 6.12.85-r2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=2.6.31,<6.19.12
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
2News mentions
1- Patch Tuesday - May 2026Rapid7 Blog · May 13, 2026