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CVE-2020-29534

CVSS v3.1 7.8 (High)
78% Progress
CVSS v2.0 7.2 (High)
72% Progress
EPSS 0.10 % (41th)
0.10% Progress
Affected Products 1
Advisories 2
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-NVD-Other
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2020-12-03 20:15:11
(3 years ago)
Updated Date
2021-06-02 15:31:14
(3 years ago)

Affected Products

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel from 5.1 version and prior 5.8.18 version cpe:2.3:o:linux:linux_kernel >= 5.1 < 5.8.18
  Linux Kernel from 5.9.0 version and prior 5.9.3 version cpe:2.3:o:linux:linux_kernel >= 5.9.0 < 5.9.3
  Linux Kernel 5.10 Rc1 cpe:2.3:o:linux:linux_kernel:5.10:rc1