CVE-2023-53535

net: bcmgenet: Add a check for oversized packets

State: Published
Severity: 7.1 High
Published: Oct 4, 2025
Updated: Oct 15, 2026
Reserved: Oct 4, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

net: bcmgenet: Add a check for oversized packets

Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid invoking skb_over_panic() and move on to processing the next packet.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1c1008c793fa46703a2fee469f4235e1c7984333 to before 7cdb07e10c1258c08f31b24898930e4ece88d163Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before c34b1c0870323649d45c5074828d7f754dea2673Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 87363d1ab55e497702a9506ff423c422639c8a25Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 841881320562cbeac7046b537b91cd000480cea2Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 124ca24e0de958d2e20e0aa1e2434af7b72f8887Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 5f56767fb5f2df875b6553e08dbec6a45431c988Affected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 411317d2a4a7d6049d8efeef0d32ae43f8baefceAffected 1c1008c793fa46703a2fee469f4235e1c7984333 to before 5c0862c2c962052ed5055220a00ac1cefb92fbcdAffected
LinuxLinux	3.15Affected before 3.15Not affected 4.14.308 through 4.14.Not affected 4.19.276 through 4.19.Not affected 5.4.235 through 5.4.Not affected 5.10.173 through 5.10.Not affected 5.15.99 through 5.15.Not affected 6.1.16 through 6.1.Not affected 6.2.3 through 6.2.*Not affected 6.3 and laterNot affected

Product

Versions

LinuxLinux

1c1008c793fa46703a2fee469f4235e1c7984333 to before 7cdb07e10c1258c08f31b24898930e4ece88d163Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before c34b1c0870323649d45c5074828d7f754dea2673Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 87363d1ab55e497702a9506ff423c422639c8a25Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 841881320562cbeac7046b537b91cd000480cea2Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 124ca24e0de958d2e20e0aa1e2434af7b72f8887Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 5f56767fb5f2df875b6553e08dbec6a45431c988Affected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 411317d2a4a7d6049d8efeef0d32ae43f8baefceAffected
1c1008c793fa46703a2fee469f4235e1c7984333 to before 5c0862c2c962052ed5055220a00ac1cefb92fbcdAffected

LinuxLinux

3.15Affected
before 3.15Not affected
4.14.308 through 4.14.*Not affected
4.19.276 through 4.19.*Not affected
5.4.235 through 5.4.*Not affected
5.10.173 through 5.10.*Not affected
5.15.99 through 5.15.*Not affected
6.1.16 through 6.1.*Not affected
6.2.3 through 6.2.*Not affected
6.3 and laterNot affected

References

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