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CVE-2022-50883

12
FAUCET Score

CVE-2022-50883 is a vulnerability in the Linux kernel's BPF (Berkeley Packet Filter) component, specifically related to how decl_tag is referenced within func_proto arguments. This issue, discovered by Syzkaller, is similar to a previously patched vulnerability but affects function arguments. While no CVSS score is available, its FAUCET Risk Score is 7/100, indicating a low to moderate risk. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.16CNA affecteddefault affected
LinuxLinux
>= b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef, < 3f3d54962a032581996edda8e6bcbf7a30371234, >= b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef, < e6d276dcc9204f95632580c43d66c52ca502d7ec, >= b5ea834dde6b6e7f75e51d5f66dac8cd7c97b5ef, < f17472d4599697d701aa239b4c475a506bccfd19CNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

Media Mentions

No media coverage found for this CVE.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-0:5.14.0-362.8.1.el9_3
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2022-50883Low

kernel: bpf: Prevent decl_tag from being referenced in func_proto arg

Dec 30, 2025

References

git.kernel.org / stable/c/3f3d54962a032581996edda8e6bcbf7a30371234
git.kernel.org / stable/c/e6d276dcc9204f95632580c43d66c52ca502d7ec
git.kernel.org / stable/c/f17472d4599697d701aa239b4c475a506bccfd19