SB2024051355 - openEuler 22.03 LTS SP2 update for kernel

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2021-47182)

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

The vulnerability exists due to a boundary error within the scsi_mode_sense() function in drivers/scsi/scsi_lib.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

2) NULL pointer dereference (CVE-ID: CVE-2021-47211)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the snd_usb_set_sample_rate_v2v3() function in sound/usb/clock.c. A local user can perform a denial of service (DoS) attack.

3) Incorrect calculation (CVE-ID: CVE-2024-26752)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect calculation within the l2tp_ip6_sendmsg() function in net/l2tp/l2tp_ip6.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1571