Improper Input Validation Affecting kernel-cross-headers package, versions <0:4.18.0-305.17.1.el8_4
Threat Intelligence
EPSS
0.1% (42nd
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-4081112
- published 30 Jul 2021
- disclosed 23 Jul 2021
How to fix?
Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-305.17.1.el8_4 or higher.
This issue was patched in RHSA-2021:3447.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.
References
- https://security.netapp.com/advisory/ntap-20210917-0005/
- https://access.redhat.com/security/cve/CVE-2021-37576
- https://www.debian.org/security/2021/dsa-4978
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a
- https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u
- http://www.openwall.com/lists/oss-security/2021/07/27/2
- https://access.redhat.com/errata/RHSA-2021:3447
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDFA7DSQIPM7XPNXJBXFWXHJFVUBCAG6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z2YZ2DNURMYYVDT2NYAFDESJC35KCUDS/
- https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf%40mpe.ellerman.id.au/T/#u
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