CVE-2021-29266: Use After Free
First published: Fri Mar 26 2021(Updated: )
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=5.8<5.10.26 | |
| Linux Linux kernel | >=5.11<5.11.9 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9
- https://security.netapp.com/advisory/ntap-20210513-0005/
- https://launchpad.net/bugs/cve/CVE-2021-29266
- https://git.kernel.org/linus/f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9
- https://security-tracker.debian.org/tracker/CVE-2021-29266
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29266
- https://nvd.nist.gov/vuln/detail/CVE-2021-29266
- https://ubuntu.com/security/CVE-2021-29266
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