PT-2022-7279 · Linux+2 · Linux Kernel+2

Ondrej Mosnacek · Published 2022-05-13 · Updated 2024-08-21 · CVE-2022-48630

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the qcom rng read() function in the Linux kernel, which can cause an infinite loop when the max value is not a multiple of WORD SZ. This can be reproduced by running the command kcapi-rng -b 67 >/dev/null. The problem was caused by the removal of a break statement from the else branch in the qcom rng read() function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

BDU:2024-02026

CVE-2022-48630

OPENSUSE-SU-2024_1321-1

OPENSUSE-SU-2024_1322-1

OPENSUSE-SU-2024_1322-2

OPENSUSE-SU-2024_1332-1

OPENSUSE-SU-2024_1332-2

OPENSUSE-SU-2024_1466-1

OPENSUSE-SU-2024_1480-1

OPENSUSE-SU-2024_1490-1

SUSE-SU-2024:1320-1

SUSE-SU-2024:1321-1

SUSE-SU-2024:1466-1

SUSE-SU-2024:1480-1

SUSE-SU-2024:1490-1

Affected Products

Linux Kernel

Red Os

Suse

References · 474

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48630.json · Exploit
• https://git.kernel.org/stable/c/05d4d17475d8d094c519bb51658bc47899c175e3 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-48630 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48630 · Security Note
• https://git.kernel.org/stable/c/233a3cc60e7a8fe0be8cf9934ae7b67ba25a866c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1490-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-48630 · Security Note
• https://bdu.fstec.ru/vul/2024-02026 · Security Note
• https://git.kernel.org/stable/c/8a06f25f5941c145773204f2f7abef95b4ffb8ce · Patch
• https://git.kernel.org/stable/c/16287397ec5c08aa58db6acf7dbc55470d78087d · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-48630 · Vendor Advisory
• https://git.kernel.org/stable/c/71a89789552b7faf3ef27969b9bc783fa0df3550 · Patch
• https://git.kernel.org/stable/c/8be06f62b426801dba43ddf8893952a0e62ab6ae · Patch
• https://osv.dev/vulnerability/CVE-2022-48630 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:1320-1 · Vendor Advisory