Buffer overflow in Linux Kernel
CVE-2022-0500
A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (Patch, x_refsource_MISC, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0500?
- CVE-2022-0500 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2022-03-25.
- How severe is CVE-2022-0500?
- High severity. CVSS v3 base score is 7.8 out of 10.