CVE-2023-52877
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm()
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5e1d4c49fbc86dab6e005d66f066bd53c9479cde | affected | git | e5f53a68a596e04df3fde3099273435a30b6fdac | Unavailable | None listed |
| 5e1d4c49fbc86dab6e005d66f066bd53c9479cde | affected | git | e7a802447c491903aa7cb45967aa2a934a4e63fc | Unavailable | None listed |
| 5e1d4c49fbc86dab6e005d66f066bd53c9479cde | affected | git | 9ee038590d808a95d16adf92818dcd4752273c08 | Unavailable | None listed |
| 5e1d4c49fbc86dab6e005d66f066bd53c9479cde | affected | git | b37a168c0137156042a0ca9626651b5a789e822b | Unavailable | None listed |
| 5e1d4c49fbc86dab6e005d66f066bd53c9479cde | affected | git | 4987daf86c152ff882d51572d154ad12e4ff3a4b | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.12 | Unavailable | None listed |
| 5.15.138 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.62 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.5.11 | unaffected | semver | Unavailable | 6.5.* | None listed |
| 6.6.1 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.7 | unaffected | original_commit_for_fix | Unavailable | * | None listed |