CVE-2022-48770
Apache Linux Kernel NULL Pointer Dereference Vulnerability
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.
INFO
Published Date :
June 20, 2024, 12:15 p.m.
Last Modified :
Jan. 6, 2025, 9:43 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-48770.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-48770 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-48770 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Jan. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.9 up to (excluding) 5.10.96 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.16.5 *cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 No Types Assigned https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 Patch Changed Reference Type https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 No Types Assigned https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 Patch Changed Reference Type https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a No Types Assigned https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a Patch Changed Reference Type https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a No Types Assigned https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a Patch Changed Reference Type https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e No Types Assigned https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e Patch Changed Reference Type https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e No Types Assigned https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e Patch Changed Reference Type https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 No Types Assigned https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 Patch Changed Reference Type https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 No Types Assigned https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 Added Reference https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a Added Reference https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e Added Reference https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 20, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/ff6bdc205fd0a83bd365405d4e31fb5905826996 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/0bcd484587b3b3092e448d27dc369e347e1810c3 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b82ef4985a6d05e80f604624332430351df7b79a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b992f01e66150fc5e90be4a96f5eb8e634c8249e [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-48770 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-48770
weaknesses.