CVE-2023-02667.9HighCWE-416

CVE-2023-0266: Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel

Linux · Linux Kernel

Vendor fix available · Affected: Linux Kernel · Exploitation: in CISA KEV since 30 Mar 2023

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue30 Mar 2023
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

2.6%probability of exploitation in the next 30 days

85th percentile

050100

Higher than 85% of scored CVEs

7.9HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Linux · Linux KernelVersions not stated

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 30 Mar 2023 · catalogue entry
Public check: No public nuclei template
Weakness: Use After Free · Memory Corruption
Vendor: Linux
Published: January 2023
Band: Exploited in the wild, January 2023

What changed

30 Mar 2023
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2023-0266 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.