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CVE-2021-47486 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fix potential NULL dereference The bpf_jit_binary_free() function requires a non-NULL argument. When the RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps, jit_data->header will be NULL, which triggers a NULL dereference. Avoid this by checking the argument, prior calling the function.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/27de809a3d83a6199664479ebb19712533d6fd9b
https://git.kernel.org/stable/c/27de809a3d83a6199664479ebb19712533d6fd9b
https://git.kernel.org/stable/c/cac6b043cea3e120f4fccec16f7381747cbfdc0d
https://git.kernel.org/stable/c/cac6b043cea3e120f4fccec16f7381747cbfdc0d
https://git.kernel.org/stable/c/e1b80a5ebe5431caeb20f88c32d4a024777a2d41
https://git.kernel.org/stable/c/e1b80a5ebe5431caeb20f88c32d4a024777a2d41

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference CISA-ADP  

Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47486
NVD Published Date:
05/22/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org