CVE-2021-42008
7.8 HIGHThe decode_data function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write
Published: 2021-10-05 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.8 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-787
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, h300e_firmware, h300s_firmware |
| linux | debian_linux, h300e_firmware, h300s_firmware |
| netapp | debian_linux, h300e_firmware, h300s_firmware |
Description
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-42008
- [Vendor advisory]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=19d1532a187669ce86d5a2696eb7275310070793
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- [Other]https://security.netapp.com/advisory/ntap-20211104-0002/
- [Exploit reference]https://www.youtube.com/watch?v=d5f9xLK8Vhw
- [Vendor advisory]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=19d1532a187669ce86d5a2696eb7275310070793
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- [Other]https://security.netapp.com/advisory/ntap-20211104-0002/
- [Exploit reference]https://www.youtube.com/watch?v=d5f9xLK8Vhw
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