UBUNTU-CVE-2024-50239
In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend Commit 413db06c05e7 ("phy: qcom-qmp-usb: clean up probe initialisation") removed most users of the platform device driver data from the qcom-qmp-usb driver, but mistakenly also removed the initialisation despite the data still being used in the runtime PM callbacks. This bug was later reproduced when the driver was copied to create the qmp-usb-legacy driver. Restore the driver data initialisation at probe to avoid a NULL-pointer dereference on runtime suspend. Apparently no one uses runtime PM, which currently needs to be enabled manually through sysfs, with these drivers.
02 / AFFECTED SOFTWARE
Affected packages
16 explicit affected versions
2 explicit affected versions
14 explicit affected versions
29 explicit affected versions
10 explicit affected versions
11 explicit affected versions
15 explicit affected versions
1 explicit affected versions
2 explicit affected versions
18 explicit affected versions
7 explicit affected versions
26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
17 explicit affected versions
11 explicit affected versions
37 explicit affected versions
8 explicit affected versions
4 explicit affected versions
8 explicit affected versions
19 explicit affected versions
23 explicit affected versions
7 explicit affected versions
14 explicit affected versions
10 explicit affected versions
16 explicit affected versions
33 explicit affected versions
16 explicit affected versions
13 explicit affected versions
12 explicit affected versions
38 explicit affected versions
1 explicit affected versions
51 explicit affected versions
13 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
1 explicit affected versions
10 explicit affected versions
1 explicit affected versions
20 explicit affected versions
8 explicit affected versions
1 explicit affected versions
13 explicit affected versions
21 explicit affected versions
6 explicit affected versions
13 explicit affected versions
12 explicit affected versions
20 explicit affected versions
7 explicit affected versions
14 explicit affected versions
20 explicit affected versions
12 explicit affected versions
26 explicit affected versions
1 explicit affected versions
16 explicit affected versions
23 explicit affected versions
7 explicit affected versions
13 explicit affected versions
14 explicit affected versions
5 explicit affected versions
3 explicit affected versions
23 explicit affected versions
26 explicit affected versions
21 explicit affected versions
12 explicit affected versions
44 explicit affected versions
21 explicit affected versions
4 explicit affected versions
4 explicit affected versions
22 explicit affected versions
16 explicit affected versions
9 explicit affected versions
12 explicit affected versions
7 explicit affected versions
19 explicit affected versions
13 explicit affected versions
26 explicit affected versions
21 explicit affected versions
8 explicit affected versions
7 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
14 explicit affected versions
25 explicit affected versions
12 explicit affected versions
18 explicit affected versions
24 explicit affected versions
3 explicit affected versions
16 explicit affected versions
19 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
50 explicit affected versions
11 explicit affected versions
12 explicit affected versions
15 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend Commit 413db06c05e7 ("phy: qcom-qmp-usb: clean up probe initialisation") removed most users of the platform device driver data from the qcom-qmp-usb driver, but mistakenly also removed the initialisation despite the data still being used in the runtime PM callbacks. This bug was later reproduced when the driver was copied to create the qmp-usb-legacy driver. Restore the driver data initialisation at probe to avoid a NULL-pointer dereference on runtime suspend. Apparently no one uses runtime PM, which currently needs to be enabled manually through sysfs, with these drivers.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/29240130ab77c80bea1464317ae2a5fd29c16a0c
- https://git.kernel.org/stable/c/29240130ab77c80bea1464317ae2a5fd29c16a0c
- https://git.kernel.org/stable/c/7e8066811a2c43fbb5f53c2c26d389e4bab9da34
- https://git.kernel.org/stable/c/b1cffd00daa9cf499b49a0da698eff5032914f6e
- https://ubuntu.com/security/CVE-2024-50239
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7449-1
- https://ubuntu.com/security/notices/USN-7449-2
- https://ubuntu.com/security/notices/USN-7450-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7452-1
- https://ubuntu.com/security/notices/USN-7453-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://www.cve.org/CVERecord?id=CVE-2024-50239