Vulnerability in Linux
CVE-2021-47671
In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: es58x_rx_err_msg(): fix memory leak in error path In es58x_rx_err_msg(), if can->do_set_mode() fails, the function directly returns without calling netif_rx(skb). This means that the skb previously allocated by alloc_can_err_skb() is not freed. In other terms, this is a memory leak. This patch simply removes the return statement in the error branch and let the function continue. Issue was found with GCC -fanalyzer, please follow the link below for details.
EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Linux — versions 8537257874e949a59c834cecfd5a063e11b64b0b, 5.13, 0
- Linux Linux_kernel
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-47671?
- CVE-2021-47671 is a low-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.3/10. Published 2025-04-17.
- How severe is CVE-2021-47671?
- Low severity. CVSS v3 base score is 3.3 out of 10.