CVE-2020-29534
N/A
N/A
Summary
An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CVE Program Container
Additional References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2089
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2089
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.