openEuler update for kernel

Published: 2022-08-05

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-1508 CVE-2021-33655
CWE-ID	CWE-125 CWE-787
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	openEuler Operating systems & Components / Operating system bpftool-debuginfo Operating systems & Components / Operating system package or component kernel-tools-devel Operating systems & Components / Operating system package or component kernel-debugsource Operating systems & Components / Operating system package or component perf Operating systems & Components / Operating system package or component bpftool Operating systems & Components / Operating system package or component kernel-devel Operating systems & Components / Operating system package or component perf-debuginfo Operating systems & Components / Operating system package or component python2-perf-debuginfo Operating systems & Components / Operating system package or component python3-perf-debuginfo Operating systems & Components / Operating system package or component kernel-debuginfo Operating systems & Components / Operating system package or component python3-perf Operating systems & Components / Operating system package or component python2-perf Operating systems & Components / Operating system package or component kernel-source Operating systems & Components / Operating system package or component kernel-tools-debuginfo Operating systems & Components / Operating system package or component kernel-tools Operating systems & Components / Operating system package or component kernel Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU90364

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1508

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to an out-of-bounds read error within the io_read() and iov_iter_reexpand() functions in fs/io_uring.c. A local user can access sensitive information or perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 20.03 LTS SP1 - 22.03 LTS

bpftool-debuginfo: before 4.19.90-2208.1.0.0161

kernel-tools-devel: before 4.19.90-2208.1.0.0161

kernel-debugsource: before 4.19.90-2208.1.0.0161

perf: before 4.19.90-2208.1.0.0161

bpftool: before 4.19.90-2208.1.0.0161

kernel-devel: before 4.19.90-2208.1.0.0161

perf-debuginfo: before 4.19.90-2208.1.0.0161

python2-perf-debuginfo: before 4.19.90-2208.1.0.0161

python3-perf-debuginfo: before 4.19.90-2208.1.0.0161

kernel-debuginfo: before 4.19.90-2208.1.0.0161

python3-perf: before 4.19.90-2208.1.0.0161

python2-perf: before 4.19.90-2208.1.0.0161

kernel-source: before 4.19.90-2208.1.0.0161

kernel-tools-debuginfo: before 4.19.90-2208.1.0.0161

kernel-tools: before 4.19.90-2208.1.0.0161

kernel: before 4.19.90-2208.1.0.0161

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1802

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Out-of-bounds write

EUVDB-ID: #VU65833