Information Exposure Affecting perf package, versions <0:4.18.0-305.40.1.el8_4
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Test your applications- Snyk ID SNYK-RHEL8-PERF-4158907
- published 11 Feb 2022
- disclosed 9 Feb 2022
How to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-305.40.1.el8_4 or higher.
This issue was patched in RHSA-2022:0777.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A vulnerability was found in kvm_s390_guest_sida_op in the arch/s390/kvm/kvm-s390.c function in KVM for s390 in the Linux kernel. This flaw allows a local attacker with a normal user privilege to obtain unauthorized memory write access. This flaw affects Linux kernel versions prior to 5.17-rc4.
References
- https://access.redhat.com/security/cve/CVE-2022-0516
- https://bugzilla.redhat.com/show_bug.cgi?id=2050237
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=09a93c1df3eafa43bcdfd7bf837c574911f12f55
- https://security.netapp.com/advisory/ntap-20220331-0009/
- https://www.debian.org/security/2022/dsa-5092