{"id":"DEBIAN-CVE-2023-52877","details":"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-\u003epartner 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-\u003epartner to avoid dereferencing a NULL pointer.","modified":"2026-09-15T09:02:49.040514621Z","published":"2024-05-21T16:15:24.377Z","upstream":["CVE-2023-52877"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-52877"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.64-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52877.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52877.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-52877.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}