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CVE-2022-49191

mxser: fix xmit_buf leak in activate when LSR == 0xff

EPSS 0.3%
Vexday Risk Score
3Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS EPSS 0.3%KEV nãoPoC Nuclei Metasploit Patch
Ciclo de vida
26 fev 2025Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
In the Linux kernel, the following vulnerability has been resolved: mxser: fix xmit_buf leak in activate when LSR == 0xff When LSR is 0xff in ->activate() (rather unlike), we return an error. Provided ->shutdown() is not called when ->activate() fails, nothing actually frees the buffer in this case. Fix this by properly freeing the buffer in a designated label. We jump there also from the "!info->type" if now too.
Produtos afetados
Linux · Linux

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