CVE-2020-25221Not scoredCWE-672

CVE-2020-25221: Linux Kernel vulnerability

Linux · Linux Kernel

Affected: Linux Kernel · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.7%probability of exploitation in the next 30 days

52nd percentile

050100

Higher than 52% of scored CVEs

Not scored yet. The CVE record carries no CVSS score.

DescriptionCVE.org

get_gate_page in mm/gup.c in the Linux kernel 5.7.x and 5.8.x before 5.8.7 allows privilege escalation because of incorrect reference counting (caused by gate page mishandling) of the struct page that backs the vsyscall page. The result is a refcount underflow. This can be triggered by any 64-bit process that can use ptrace() or process_vm_readv(), aka CID-9fa2dd946743.

On the Atlas

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Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Operation on a Resource after Expiration or Release · Other weaknesses
Vendor: Linux
Published: September 2020
Band: Unlikely (under 1%), September 2020

CoverageNo articles yet

No CyberSIXT article names CVE-2020-25221 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.