High severity7.8NVD Advisory· Published Mar 26, 2021· Updated Jun 17, 2026
CVE-2021-29266
CVE-2021-29266
Description
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.
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Affected products
2- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
3- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/nvdPatchVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9nvdRelease NotesVendor Advisory
- security.netapp.com/advisory/ntap-20210513-0005/nvdThird Party Advisory
News mentions
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