SB2024102556 - openEuler 20.03 LTS SP4 update for kernel

Description

This security bulletin contains information about 4 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-38612)

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 IS_ENABLED() function in net/ipv6/seg6.c. A local user can escalate privileges on the system.

2) Improper locking (CVE-ID: CVE-2024-44952)

CWE-ID: CWE-667 - Improper Locking

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

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

The vulnerability exists due to improper locking within the make_driver_name() and module_remove_driver() functions in drivers/base/module.c, within the dev_uevent() and uevent_show() functions in drivers/base/core.c. A local user can perform a denial of service (DoS) attack.

3) Integer underflow (CVE-ID: CVE-2024-46757)

CWE-ID: CWE-191 - Integer underflow

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 integer underflow within the store_temp_offset() function in drivers/hwmon/nct6775.c. A local user can execute arbitrary code.

4) Input validation error (CVE-ID: CVE-2024-46826)

CWE-ID: CWE-20 - Improper input validation

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

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

The vulnerability exists due to improper input validation within the fs/binfmt_elf.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-2024-2294