CVE-2021-32606

EPSS 0.4%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

11 May 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)

Affected products

n/a · n/a

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References

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b17c400aeb44daf041627722581ade527bb3c1d https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/https://security.netapp.com/advisory/ntap-20210625-0001/https://www.openwall.com/lists/oss-security/2021/05/11/16 http://www.openwall.com/lists/oss-security/2021/05/12/1 http://www.openwall.com/lists/oss-security/2021/05/13/2 http://www.openwall.com/lists/oss-security/2021/05/14/1 http://www.openwall.com/lists/oss-security/2021/05/28/1