EUVD-2026-28763
GHSA-2mxh-qrpv-mfvx
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
4DescriptionNVD
In the Linux kernel, the following vulnerability has been resolved:
mctp: i2c: fix skb memory leak in receive path
When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.
AnalysisAI
Memory leak in the Linux kernel's MCTP I2C driver receive path allows a local authenticated attacker to progressively exhaust kernel slab memory, resulting in denial of service. The flaw exists in all kernel versions from 5.18 (when the MCTP I2C driver was introduced at commit f5b8abf9fc3dacd7529d363e26fe8230935d65f8) through multiple stable branches now addressed by patches in 6.1.167, 6.6.130, 6.12.78, 6.18.19, 6.19.9, and 7.0. …
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