CVE-2024-41090: tap: add missing verification for short frame
First published: Mon Jul 22 2024(Updated: )
A denial-of-service (DoS) attack was found in the mlx5 driver in the Linux kernel. A KVM guest VM using virtio-net can crash the host by sending a short packet (i.e. size < ETH_HLEN). The packet may traverse through vhost-net, macvtap and vlan without any validation/drop. When this packet is presented to mlx5 driver on the host side, the kernel panic happens, since mlx5_core assumes the frame size is always >= ETH_HLEN. This vulnerability affects both drivers/net/tun.c and drivers/net/tap.c. <a href="https://access.redhat.com/security/cve/CVE-2024-41090">CVE-2024-41090</a> has been assigned to the TAP side of the issue. Reference: <a href="https://www.openwall.com/lists/oss-security/2024/07/24/4">https://www.openwall.com/lists/oss-security/2024/07/24/4</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/73d462a38d5f782b7c872fe9ae8393d9ef5483da
- https://git.kernel.org/stable/c/7431144b406ae82807eb87d8c98e518475b0450f
- https://git.kernel.org/stable/c/8be915fc5ff9a5e296f6538be12ea75a1a93bdea
- https://git.kernel.org/stable/c/aa6a5704cab861c9b2ae9f475076e1881e87f5aa
- https://git.kernel.org/stable/c/e1a786b9bbb767fd1c922d424aaa8078cc542309
- https://git.kernel.org/stable/c/e5e5e63c506b93b89b01f522b6a7343585f784e6
- https://git.kernel.org/stable/c/ed7f2afdd0e043a397677e597ced0830b83ba0b3
- https://git.kernel.org/stable/c/ee93e6da30377cf2a75e16cd32bb9fcd86a61c46
- https://access.redhat.com/security/cve/CVE-2024-41090
- https://www.openwall.com/lists/oss-security/2024/07/24/4
- https://access.redhat.com/errata/RHSA-2024:5256
- https://access.redhat.com/errata/RHSA-2024:5257
- https://access.redhat.com/errata/RHSA-2024:5281
- https://access.redhat.com/errata/RHSA-2024:5582
- https://access.redhat.com/errata/RHSA-2024:5673
- https://access.redhat.com/errata/RHSA-2024:5672
- https://access.redhat.com/errata/RHSA-2024:5858
- https://access.redhat.com/errata/RHSA-2024:5928
- https://access.redhat.com/errata/RHSA-2024:6160
- https://access.redhat.com/errata/RHSA-2024:6156
- https://access.redhat.com/errata/RHSA-2024:6206
- https://access.redhat.com/errata/RHSA-2024:6242
- https://access.redhat.com/errata/RHSA-2024:6313
- https://access.redhat.com/errata/RHSA-2024:6560
- https://access.redhat.com/errata/RHSA-2024:6663
- https://access.redhat.com/errata/RHSA-2024:6992
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://access.redhat.com/errata/RHSA-2024:7429
- https://bugzilla.redhat.com/show_bug.cgi?id=2299240
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-41090
- https://nvd.nist.gov/vuln/detail/CVE-2024-41090
- https://launchpad.net/bugs/cve/CVE-2024-41090
- https://security-tracker.debian.org/tracker/CVE-2024-41090
- https://ubuntu.com/security/CVE-2024-41090
- https://git.kernel.org/linus/ed7f2afdd0e043a397677e597ced0830b83ba0b3
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