Security Bulletin: This Power System update is being released to address CVE-2022-3435

Summary

POWER10: In response to a security issue with ipv4 network connections, a new Power System firmware update is being released to address Common Vulnerabilities and Exposures issue number CVE 2022-3435.

Vulnerability Details

CVEID:CVE-2022-3435
**DESCRIPTION:**Linux Kernel could allow a remote authenticated attacker to obtain sensitive information, caused by an out-of-bounds read in the fib_nh_match function in net/ipv4/fib_semantics.c. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/238065 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

Customers with the products below running FW1020, install FW1020.20:

1. IBM Power System S1022 (9105-22A, 9786-22H)
2. IBM Power System S1024 (9105-42A, 9786-42H)
3. IBM Power System S1022S (9105-22B)
4. IBM Power System S1014 (9105-41B)
5. IBM Power System E1050 (9043-MRX)
6. IBM Power System L1022 (9786-22H)
7. IBM Power System L1024 (9786-42H)

Workarounds and Mitigations

None