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CVE-2024-47747

net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition

HIGH
7
CVSS Score
Published: October 21, 2024 at 12:14 PM UTC
Updated: October 15, 2026 at 01:18 AM UTC
12 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFPRUGGEDCOM RST2428P Firmware

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Severity
HIGH7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition In the ether3_probe function, a timer is initialized with a callback function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove.

Affected

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

Linux Kernel· Linux
95%
All versions4.15 ≤ v < 5.10.2275.11 ≤ v < 5.15.1685.16 ≤ v < 6.1.1136.11 ≤ v < 6.11.26.2 ≤ v < 6.6.546.7 ≤ v < 6.10.134.156fd9c53f71862a4797b7ed8a5de80e2c64829f56
Vendor states this is fixed in 1c57d61a43293252ad732007c7070fdb112545fd (fixed)
Vendor states this is fixed in 25d559ed2beec9b34045886100dac46d1ad92eba (fixed)
Vendor states this is fixed in 338a0582b28e69460df03af50e938b86b4206353 (fixed)
Vendor states this is fixed in 516dbc6d16637430808c39568cbb6b841d32b55b (fixed)
Vendor states this is fixed in 77a77331cef0a219b8dd91361435eeef04cb741c (fixed)
Vendor states this is fixed in 822c7bb1f6f8b0331e8d1927151faf8db3b33afd (fixed)
Vendor states this is fixed in b5109b60ee4fcb2f2bb24f589575e10cc5283ad4 (fixed)
Vendor states this is fixed in b5a84b6c772564c8359a9a0fbaeb2a2944aa1ee9 (fixed)
Vendor states this is fixed in d2abc379071881798d20e2ac1d332ad855ae22f3 (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 4.19.323 (unaffected)
Vendor states this is fixed in 5.10.227 (unaffected)
Vendor states this is fixed in 5.15.168 (unaffected)
Vendor states this is fixed in 5.4.285 (unaffected)
Vendor states this is fixed in 6.1.113 (unaffected)
Vendor states this is fixed in 6.10.13 (unaffected)
Vendor states this is fixed in 6.11.2 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.6.54 (unaffected)
RUGGEDCOM RST2428P Firmware· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XC-300· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XC-400· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XCH-300· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XCM-300· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
Scalance Xr 300· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XR-500· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XR-500WG· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement
SCALANCE XRH-300· Siemens
60%
v < V3.2
Affected range stops below V3.2, so it looks safe — our inference, not a vendor statement

References (12)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1c57d61a43293252ad732007c7070fdb112545fd
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/25d559ed2beec9b34045886100dac46d1ad92eba
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/338a0582b28e69460df03af50e938b86b4206353
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/516dbc6d16637430808c39568cbb6b841d32b55b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/77a77331cef0a219b8dd91361435eeef04cb741c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/822c7bb1f6f8b0331e8d1927151faf8db3b33afd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b5109b60ee4fcb2f2bb24f589575e10cc5283ad4
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b5a84b6c772564c8359a9a0fbaeb2a2944aa1ee9

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7HIGH[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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