CVE-2022-48770

June 20, 2024, 12:43 p.m.

None
No Score

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack() task_pt_regs() can return NULL on powerpc for kernel threads. This is then used in __bpf_get_stack() to check for user mode, resulting in a kernel oops. Guard against this by checking return value of task_pt_regs() before trying to obtain the call chain.

Product(s) Impacted

Product Versions
Linux kernel

Weaknesses

Common security weaknesses mapped to this vulnerability.

References

https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3
https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a
https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e
https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
2024-06-20
CVE-2022-48770

Timeline

Published: June 20, 2024, 12:15 p.m.
Last Modified: June 20, 2024, 12:43 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.