CVE-2024-53203

usb: typec: fix potential array underflow in ucsi_ccg_sync_control()

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Dec 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: usb: typec: fix potential array underflow in ucsi_ccg_sync_control() The "command" variable can be controlled by the user via debugfs. The worry is that if con_index is zero then "&uc->ucsi->connector[con_index - 1]" would be an array underflow.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/0e66fd8e5a2e45c7dacfc9178ba702153f4a61a8 https://git.kernel.org/stable/c/56971710cd541f2f05160a84b3183477d34a1be9 https://git.kernel.org/stable/c/627c2a5056aba42a8a96a8fffe8996aeccf919a9 https://git.kernel.org/stable/c/e15fd96c0b701c53f9006bcc836eaeb35a05a023 https://git.kernel.org/stable/c/e44189455c62469eb91d383ce9103d54c1f807a3 https://git.kernel.org/stable/c/e56aac6e5a25630645607b6856d4b2a17b2311a5 https://git.kernel.org/stable/c/ef92cd55289a282910575c5b9d87f646f2d39b38 https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html