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CVE-2021-3347
Published: Jan 29, 2021
Modified: Feb 25, 2026
PUBLISHED
Description
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
References
https://www.openwall.com/lists/oss-security/2021/01/29/3
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/01/29/1
x_refsource_MISC
[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes
mailing-list
x_refsource_MLIST
[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes
mailing-list
x_refsource_MLIST
[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes
mailing-list
x_refsource_MLIST
DSA-4843
vendor-advisory
x_refsource_DEBIAN
FEDORA-2021-6e805a5051
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-879c756377
vendor-advisory
x_refsource_FEDORA
[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update
mailing-list
x_refsource_MLIST
https://security.netapp.com/advisory/ntap-20210304-0005/
x_refsource_CONFIRM
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update
mailing-list
x_refsource_MLIST
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