CVE-2024-36017: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation
First published: Thu May 30 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.314 | 4.19.314 |
| redhat/kernel | <5.4.276 | 5.4.276 |
| redhat/kernel | <5.10.217 | 5.10.217 |
| redhat/kernel | <5.15.159 | 5.15.159 |
| redhat/kernel | <6.1.91 | 6.1.91 |
| redhat/kernel | <6.6.31 | 6.6.31 |
| redhat/kernel | <6.8.10 | 6.8.10 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- 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
- https://launchpad.net/bugs/cve/CVE-2024-36017
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36017
- https://nvd.nist.gov/vuln/detail/CVE-2024-36017
- https://security-tracker.debian.org/tracker/CVE-2024-36017
- https://ubuntu.com/security/CVE-2024-36017
- https://git.kernel.org/linus/1aec77b2bb2ed1db0f5efc61c4c1ca3813307489
- https://access.redhat.com/security/cve/CVE-2024-36017
- https://lore.kernel.org/linux-cve-announce/2024053015-CVE-2024-36017-bf96@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2284418
- https://access.redhat.com/errata/RHSA-2024:5067
- https://access.redhat.com/errata/RHSA-2024:5066
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:5281
- https://access.redhat.com/errata/RHSA-2024:5363
- https://access.redhat.com/errata/RHSA-2024:6206
- https://bugzilla.redhat.com/show_bug.cgi?id=2284417
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