SB2024081636 - openEuler 20.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2024-26883)

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 a boundary error within the stack_map_alloc() function in kernel/bpf/stackmap.c on a 32-bit platform. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

2) Improper locking (CVE-ID: CVE-2024-26934)

CWE-ID: CWE-667 - Improper Locking

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 execute arbitrary code.

The vulnerability exists due to improper locking within the interface_authorized_store() function in drivers/usb/core/sysfs.c. A local user can execute arbitrary code.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-HotPatchSA-2024-1028