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redhatcveRedhat.comRH:CVE-2021-47486
HistoryMay 23, 2024 - 11:07 a.m.

CVE-2021-47486

2024-05-2311:07:24
redhat.com
access.redhat.com
2
linux kernel
vulnerability
cve-2021-47486
fix
potential null dereference
risc-v
bpf

6.4 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%

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.

6.4 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%