CVE-2022-2785

Arbitrary Memory read in BPF Linux Kernel

Description

There exists an arbitrary memory read within the Linux Kernel BPF - Constants provided to fill pointers in structs passed in to bpf_sys_bpf are not verified and can point anywhere, including memory not owned by BPF. An attacker with CAP_BPF can arbitrarily read memory from anywhere on the system. We recommend upgrading past commit 86f44fcec22c

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory kernel.org
Affected: Linux Kernel Kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/bpf/bpf/c/86f44fcec22c patch vendor advisory
https://lore.kernel.org/bpf/20220816205517.682470-1-zhuyifei%40google.com/T/#t

Frequently Asked Questions

What is the severity of CVE-2022-2785?
CVE-2022-2785 has been scored as a medium severity vulnerability.
How to fix CVE-2022-2785?
To fix CVE-2022-2785, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-2785 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2785 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-2785?
CVE-2022-2785 affects Linux Kernel Kernel.
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