CVE-2021-42008

moderate-risk
Published 2021-10-05

The decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the CAP_NET_ADMIN capability can lead to root access.

Do I need to act?

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0.93% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (11)

Affected Vendors

Debian Linux Netapp

References (10)

Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19...
Mailing List https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20211104-0002/
Exploit https://www.youtube.com/watch?v=d5f9xLK8Vhw
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.13
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=19...
Mailing List https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20211104-0002/
Exploit https://www.youtube.com/watch?v=d5f9xLK8Vhw
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 3/34 · Minimal
Exposure 16/34 · Moderate