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Debian Security Bug TrackerDEBIANCVE:CVE-2021-47207

HistoryApr 10, 2024 - 7:15 p.m.

CVE-2021-47207

2024-04-1019:15:48

Debian Security Bug Tracker

security-tracker.debian.org

cve-2021-47207

linux

alsa

vulnerability

null pointer

dereference

fix

null check

6.7 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.2%

JSON

In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: fix null pointer dereference on pointer block The pointer block return from snd_gf1_dma_next_block could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 5.15.5-1linux_5.15.5-1_all.deb
Debian11alllinux< 5.10.84-1linux_5.10.84-1_all.deb
Debian10alllinux< 4.19.232-1linux_4.19.232-1_all.deb
Debian999alllinux< 5.15.5-1linux_5.15.5-1_all.deb
Debian13alllinux< 5.15.5-1linux_5.15.5-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 5.15.5-1	linux_5.15.5-1_all.deb
Debian	11	all	linux	< 5.10.84-1	linux_5.10.84-1_all.deb
Debian	10	all	linux	< 4.19.232-1	linux_4.19.232-1_all.deb
Debian	999	all	linux	< 5.15.5-1	linux_5.15.5-1_all.deb
Debian	13	all	linux	< 5.15.5-1	linux_5.15.5-1_all.deb