CVE-2024-50169

MEDIUM EPSS 11.6%
Published Nov 7, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Nov 7, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: vsock: Update rx_bytes on read_skb() Make sure virtio_transport_inc_rx_pkt() and virtio_transport_dec_rx_pkt() calls are balanced (i.e. virtio_vsock_sock::rx_bytes doesn't lie) after vsock_transport::read_skb(). While here, also inform the peer that we've freed up space and it has more credit. Failing to update rx_bytes after packet is dequeued leads to a warning on SOCK_STREAM recv(): [ 233.396654] rx_queue is empty, but rx_bytes is non-zero [ 233.396702] WARNING: CPU: 11 PID: 40601 at net/vmw_vsock/virtio_transport_common.c:589

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
11.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel*≥6.4  –  <6.6.59
linuxlinux_kernel*≥6.7  –  <6.11.6
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/3543152f2d330141d9394d28855cb90b860091d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/66cd51de31c682a311c2fa25c580b7ea45859dd9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e5ca2b98090b4bb1c393088c724af6c37812a829
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3543152f2d330141d9394d28855cb90b860091d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/66cd51de31c682a311c2fa25c580b7ea45859dd9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e5ca2b98090b4bb1c393088c724af6c37812a829
    Patch