SB2025022434 - SUSE update for the Linux Kernel (Live Patch 53 for SLE 12 SP5)

Description

This security bulletin contains information about 3 vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2021-47511)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the snd_pcm_hw_param_value_min() and snd_pcm_oss_period_size() functions in sound/core/oss/pcm_oss.c. A local user can escalate privileges on the system.

2) Use-after-free (CVE-ID: CVE-2024-35789)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the ieee80211_change_station() function in net/mac80211/cfg.c. A local user can escalate privileges on the system.

3) Out-of-bounds write (CVE-ID: CVE-2024-53104)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an out-of-bounds read error within the uvc_parse_format() function in drivers/media/usb/uvc/uvc_driver.c. A local user can trigger an out-of-bounds write and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild.

Remediation

Install update from vendor's website.

References

• https://www.suse.com/support/update/announcement/2025/suse-su-20250667-1/