CVE-2024-40903: usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps
First published: Fri Jul 12 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: fix use-after-free case in tcpm_register_source_caps There could be a potential use-after-free case in tcpm_register_source_caps(). This could happen when: * new (say invalid) source caps are advertised * the existing source caps are unregistered * tcpm_register_source_caps() returns with an error as usb_power_delivery_register_capabilities() fails This causes port->partner_source_caps to hold on to the now freed source caps. Reset port->partner_source_caps value to NULL after unregistering existing source caps.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.1.61<6.1.95 | |
| Linux Linux kernel | >=6.6.31<6.6.35 | |
| Linux Linux kernel | >=6.9<6.9.6 | |
| Linux Linux kernel | =6.10-rc1 | |
| Linux Linux kernel | =6.10-rc2 | |
| Linux Linux kernel | =6.10-rc3 | |
| redhat/kernel | <6.1.95 | 6.1.95 |
| redhat/kernel | <6.6.35 | 6.6.35 |
| redhat/kernel | <6.9.6 | 6.9.6 |
| redhat/kernel | <6.10 | 6.10 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/04c05d50fa79a41582f7bde8a1fd4377ae4a39e5
- https://git.kernel.org/stable/c/4053696594d7235f3638d49a00cf0f289e4b36a3
- https://git.kernel.org/stable/c/6b67b652849faf108a09647c7fde9b179ef24e2b
- https://git.kernel.org/stable/c/e7e921918d905544500ca7a95889f898121ba886
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40903
- https://nvd.nist.gov/vuln/detail/CVE-2024-40903
- https://launchpad.net/bugs/cve/CVE-2024-40903
- https://security-tracker.debian.org/tracker/CVE-2024-40903
- https://ubuntu.com/security/CVE-2024-40903
- https://git.kernel.org/linus/e7e921918d905544500ca7a95889f898121ba886
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2297487
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