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CVE-2024-57801

net/mlx5e: Skip restore TC rules for vport rep without loaded flag

HIGH
7.8
CVSS Score
Published: January 15, 2025 at 01:10 PM UTC
Updated: August 5, 2026 at 12:44 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Skip restore TC rules for vport rep without loaded flag During driver unload, unregister_netdev is called after unloading vport rep. So, the mlx5e_rep_priv is already freed while trying to get rpriv->netdev, or walk rpriv->tc_ht, which results in use-after-free. So add the checking to make sure access the data of vport rep which is still loaded.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.6 ≤ v < 6.12.96.6 ≤ v < 6.136.6 ≤ v < 6.6.706.7 ≤ v < 6.12.96.13 rc16.13 rc26.13 rc36.13 rc46.13 rc5d1569537a837d66620aa7ffc2bddf918e902f227
Vendor states this is fixed in 3e45dd1622a2c1a83c11bf42fdd8c1810123d6c0 (fixed)
Vendor states this is fixed in 47c78d3fc26e38ab805613a0f592dc8a820c7c64 (fixed)
Vendor states this is fixed in 5a03b368562a7ff5f5f1f63b5adf8309cbdbd5be (fixed)
Vendor states this is fixed in 6.12.9 (unaffected)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)
Vendor states this is fixed in 6.6.70 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3e45dd1622a2c1a83c11bf42fdd8c1810123d6c0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/47c78d3fc26e38ab805613a0f592dc8a820c7c64
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5a03b368562a7ff5f5f1f63b5adf8309cbdbd5be

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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