CVE-2025-38550high

CVE-2025-38550: high-severity vulnerability in Linux

ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc->idev in mld_del_delrec() pmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec() does, the reference should be put after ip6_mc_clear_src() return.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/1b5b413094af8d88a31b5df3fd262f6baca53841https://git.kernel.org/stable/c/5f18e0130194550dff734e155029ae734378b5eahttps://git.kernel.org/stable/c/6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec0806https://git.kernel.org/stable/c/728db00a14cacb37f36e9382ab5fad55caf890cchttps://git.kernel.org/stable/c/7929d27c747eafe8fca3eecd74a334503ee4c839https://git.kernel.org/stable/c/ae3264a25a4635531264728859dbe9c659fad554https://git.kernel.org/stable/c/dcbc346f50a009d8b7f4e330f9f2e22d6442fa26https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html