CVE - CVE-2023-52877

CVE-ID
CVE-2023-52877	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm() It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below. [91222.095236][ T319] typec port0: failed to register partner (-17) ... [91225.061491][ T319] Unable to handle kernel NULL pointer dereference at virtual address 000000000000039f [91225.274642][ T319] pc : tcpm_pd_data_request+0x310/0x13fc [91225.274646][ T319] lr : tcpm_pd_data_request+0x298/0x13fc [91225.308067][ T319] Call trace: [91225.308070][ T319] tcpm_pd_data_request+0x310/0x13fc [91225.308073][ T319] tcpm_pd_rx_handler+0x100/0x9e8 [91225.355900][ T319] kthread_worker_fn+0x178/0x58c [91225.355902][ T319] kthread+0x150/0x200 [91225.355905][ T319] ret_from_fork+0x10/0x30 Add a check for port->partner to avoid dereferencing a NULL pointer.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b URL:https://git.kernel.org/stable/c/4987daf86c152ff882d51572d154ad12e4ff3a4b MISC:https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08 URL:https://git.kernel.org/stable/c/9ee038590d808a95d16adf92818dcd4752273c08 MISC:https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b URL:https://git.kernel.org/stable/c/b37a168c0137156042a0ca9626651b5a789e822b MISC:https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac URL:https://git.kernel.org/stable/c/e5f53a68a596e04df3fde3099273435a30b6fdac MISC:https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc URL:https://git.kernel.org/stable/c/e7a802447c491903aa7cb45967aa2a934a4e63fc
Assigning CNA
kernel.org
Date Record Created
20240521	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240521)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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