CVE - CVE-2022-48770

CVE-ID
CVE-2022-48770	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 URL:https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 MISC:https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a URL:https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a MISC:https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e URL:https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e MISC:https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 URL:https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996
Assigning CNA
kernel.org
Date Record Created
20240620	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240620)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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