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CVE-2022-50877

11
FAUCET Score

CVE-2022-50877 addresses a vulnerability in the Linux kernel's Broadcom bcm4908_enet network driver. The flaw involved incorrect updating of transmit statistics, which could lead to a race condition and a NULL dereference after a packet buffer was freed prematurely. This issue primarily affects systems utilizing the Broadcom bcm4908 network interface. The severity of this vulnerability is moderate, with a FAUCET Risk Score of 7/100. While a direct attack vector isn't explicitly detailed, the potential for a NULL dereference could lead to system instability or denial of service, requiring local access or specific network conditions to trigger. The complexity of exploitation is likely moderate, given it involves a race condition within kernel-level network driver code. There is currently no evidence of active exploitation for CVE-2022-50877. No public exploit code exists on platforms like Metasploit, Nuclei, or ExploitDB, and there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.12CNA affecteddefault affected
LinuxLinux
>= 4feffeadbcb2e5b11cbbf191a33c245b74a5837b, < 2adedc80faec243ede55355e57142110d6f46e08, >= 4feffeadbcb2e5b11cbbf191a33c245b74a5837b, < c9589e18a60c55c76772a38117ef9a16b942e56b, >= 4feffeadbcb2e5b11cbbf191a33c245b74a5837b, < ef3556ee16c68735ec69bd08df41d1cd83b14ad3CNA 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
6.2%
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

Vendor Advisories (1)

redhatCVE-2022-50877

kernel: net: broadcom: bcm4908_enet: update TX stats after actual transmission

Dec 30, 2025

References

git.kernel.org / stable/c/2adedc80faec243ede55355e57142110d6f46e08
git.kernel.org / stable/c/c9589e18a60c55c76772a38117ef9a16b942e56b
git.kernel.org / stable/c/ef3556ee16c68735ec69bd08df41d1cd83b14ad3