Out-of-bounds Read Affecting kernel-cross-headers package, versions <0:4.18.0-477.70.1.el8_8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-7892695
- published 4 Sep 2024
- disclosed 30 May 2024
Introduced: 30 May 2024
CVE-2024-36017 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-477.70.1.el8_8 or higher.
This issue was patched in RHSA-2024:6206.
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.
In the Linux kernel, the following vulnerability has been resolved:
rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation
Each attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a struct ifla_vf_vlan_info so the size of such attribute needs to be at least of sizeof(struct ifla_vf_vlan_info) which is 14 bytes. The current size validation in do_setvfinfo is against NLA_HDRLEN (4 bytes) which is less than sizeof(struct ifla_vf_vlan_info) so this validation is not enough and a too small attribute might be cast to a struct ifla_vf_vlan_info, this might result in an out of bands read access when accessing the saved (casted) entry in ivvl.
References
- https://access.redhat.com/security/cve/CVE-2024-36017
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://git.kernel.org/stable/c/1aec77b2bb2ed1db0f5efc61c4c1ca3813307489
- https://git.kernel.org/stable/c/206003c748b88890a910ef7142d18f77be57550b
- https://git.kernel.org/stable/c/4a4b9757789a1551d2df130df23bfb3545bfa7e8
- https://git.kernel.org/stable/c/5e7ef2d88666a0212db8c38e6703864b9ce70169
- https://git.kernel.org/stable/c/6c8f44b02500c7d14b5e6618fe4ef9a0da47b3de
- https://git.kernel.org/stable/c/6e4c7193954f4faab92f6e8d88bc5565317b44e7
- https://git.kernel.org/stable/c/8ac69ff2d0d5be9734c4402de932aa3dc8549c1a
- https://git.kernel.org/stable/c/f3c1bf3054f96ddeab0621d920445bada769b40e