CVE-2020-11608: Null Pointer Dereference
First published: Tue Apr 07 2020(Updated: )
An issue was discovered in the Linux kernel before 5.6.1. drivers/media/usb/gspca/ov519.c allows NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs when there are zero endpoints, aka CID-998912346c0d.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.13-1 | |
| Linux Kernel | <5.6.1 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=998912346c0da53a6dbb71fab3a138586b596b30
- https://github.com/torvalds/linux/commit/998912346c0da53a6dbb71fab3a138586b596b30
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://security.netapp.com/advisory/ntap-20200430-0004/
- https://usn.ubuntu.com/4345-1/
- https://usn.ubuntu.com/4364-1/
- https://usn.ubuntu.com/4368-1/
- https://usn.ubuntu.com/4369-1/
- https://www.debian.org/security/2020/dsa-4698
- https://launchpad.net/bugs/cve/CVE-2020-11608
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1833446
- https://access.redhat.com/solutions/41278
- https://access.redhat.com/errata/RHSA-2021:1578
- https://access.redhat.com/errata/RHSA-2021:1739
- https://bugzilla.redhat.com/show_bug.cgi?id=1833445
- https://git.kernel.org/linus/998912346c0da53a6dbb71fab3a138586b596b30
- https://security-tracker.debian.org/tracker/CVE-2020-11608
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11608
- https://nvd.nist.gov/vuln/detail/CVE-2020-11608
- https://ubuntu.com/security/CVE-2020-11608
Frequently Asked Questions
What is the severity of CVE-2020-11608?
CVE-2020-11608 has a medium severity due to its potential to cause NULL pointer dereferences affecting system stability.
How do I fix CVE-2020-11608?
To fix CVE-2020-11608, upgrade the Linux kernel to version 5.6.1 or later.
Which versions of Linux are affected by CVE-2020-11608?
CVE-2020-11608 affects Linux kernel versions prior to 5.6.1 and specific versions of Ubuntu 16.04 and 18.04.
What components are involved in CVE-2020-11608?
CVE-2020-11608 specifically involves the ov511_mode_init_regs and ov518_mode_init_regs functions in the gspca driver.
Is CVE-2020-11608 a remote exploit?
CVE-2020-11608 is not considered a remote exploit as it affects local drivers and requires direct access.
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