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Fencer Intel
medium 6.9

CVE-2010-2653 json

Race condition in the hvc_close function in drivers/char/hvc_console.c in the Linux kernel before 2.6.34 allows local users to cause a deni…

published 16y ago modified 4mo ago also EUVD-2010-2657

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Race condition in the hvc_close function in drivers/char/hvc_console.c in the Linux kernel before 2.6.34 allows local users to cause a denial of service or possibly have unspecified other impact by closing a Hypervisor Virtual Console device, related to the hvc_open and hvc_remove functions.

Patch / fix

  • linux linux_kernel 2.6.34

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-2653 updated cvss 7.2

kvm: vulnerability in the hvc_console code that gets exposed via the new virtio_console functionality

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • lkml.org http://lkml.org/lkml/2010/3/3/207 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.