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CVE-2021-47486
HIGH7.5
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.
CVE Details
CVSS v3.1 Score7.5
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
Published5/22/2024
Last Modified4/1/2025
Sourcenvd
Honeypot Sightings0
Affected Products
linux:linux_kernel
Weaknesses (CWE)
CWE-476
References
https://git.kernel.org/stable/c/27de809a3d83a6199664479ebb19712533d6fd9b(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/cac6b043cea3e120f4fccec16f7381747cbfdc0d(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/e1b80a5ebe5431caeb20f88c32d4a024777a2d41(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/27de809a3d83a6199664479ebb19712533d6fd9b(af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/stable/c/cac6b043cea3e120f4fccec16f7381747cbfdc0d(af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/stable/c/e1b80a5ebe5431caeb20f88c32d4a024777a2d41(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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