PT-2025-51706 · Linux+4 · Linux Kernel+4

CVE-2025-68302

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Published

2025-11-21

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Updated

2026-08-30

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The Linux kernel contains a flaw within the sxgbe network driver. Specifically, a potential NULL dereference exists in the sxgbe rx() function. When the skb variable is null, the driver prints an error message and then attempts to dereference the null skb pointer, leading to a potential system crash or unexpected behavior. The fix involves adding a 'break' statement after the error message to redirect execution to the sxgbe rx refill() function, mirroring the approach used in other drivers like calxeda with xgmac rx().
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

AZL-72676
BDU:2026-10529
CVE-2025-68302
ECHO-232B-A155-9237
MGASA-2026-0017
MGASA-2026-0018
OPENSUSE-SU-2026:20145-1
SUSE-SU-2026:0278-1
SUSE-SU-2026:0281-1
SUSE-SU-2026:0315-1
SUSE-SU-2026:20207-1
SUSE-SU-2026:20220-1
SUSE-SU-2026:20228-1
SUSE-SU-2026:20564-1
USN-8094-1
USN-8094-2
USN-8094-3
USN-8094-4
USN-8094-5
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8096-1
USN-8096-2
USN-8096-3
USN-8096-4
USN-8096-5
USN-8100-1
USN-8116-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8152-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1

Affected Products

Debian
Linuxmint
Linux Kernel
Ubuntu
Xgmac Rx