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Fencer Intel
high 7.8

CVE-2010-2248 json

fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel before 2.6.34-rc4 allows remote attackers to cause a denial of service (pa…

published 2010-09-07 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-2260

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel before 2.6.34-rc4 allows remote attackers to cause a denial of service (panic) via an SMB response packet with an invalid CountHigh value, as demonstrated by a response from an OS/2 server, related to the CIFSSMBWrite and CIFSSMBWrite2 functions.

Patch / fix

  • kernel RHEL 5 2.6.18-194.11.1.el5
  • kernel-PAE RHEL 5 2.6.18-194.11.1.el5
  • kernel-xen RHEL 5 2.6.18-194.11.1.el5
  • kernel-kdump RHEL 5 2.6.18-194.11.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-194.11.1.el5
  • kernel-rt enterprise mrg 1 2.6.24.7-161.el5rt
  • kernel-rt-trace enterprise mrg 1 2.6.24.7-161.el5rt
  • kernel-rt-vanilla enterprise mrg 1 2.6.24.7-161.el5rt

red hat advisories RHSA-2010:0610RHSA-2010:0631RHSA-2010:0606

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-2010-2248 updated cvss 7.1

kernel: cifs: Fix a kernel BUG with remote OS/2 server

  • Red Hat MRG Realtime for RHEL 5 Server kernel-rt 2.6.24.7-161.el5rt, kernel-rt-trace 2.6.24.7-161.el5rt, kernel-rt-vanilla 2.6.24.7-161.el5rt, kernel-rt-firmware 2.6.24.7-161.el5rt, kernel-rt-debuginfo-common 2.6.24.7-161.el5rt
    fixed: vendor fix RHSA-2010:0631
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-194.11.1.el5, kernel-PAE 2.6.18-194.11.1.el5, kernel-xen 2.6.18-194.11.1.el5, kernel-kdump 2.6.18-194.11.1.el5, kernel-debuginfo-common 2.6.18-194.11.1.el5
    fixed: vendor fix RHSA-2010:0610
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-89.0.28.EL, kernel-smp 2.6.9-89.0.28.EL, kernel-xenU 2.6.9-89.0.28.EL, kernel-hugemem 2.6.9-89.0.28.EL, kernel-largesmp 2.6.9-89.0.28.EL
    fixed: vendor fix RHSA-2010:0606
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-194.11.1.el5, kernel-PAE 2.6.18-194.11.1.el5, kernel-xen 2.6.18-194.11.1.el5, kernel-kdump 2.6.18-194.11.1.el5, kernel-debuginfo-common 2.6.18-194.11.1.el5
    fixed: vendor fix RHSA-2010:0610
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-89.0.28.EL, kernel-smp 2.6.9-89.0.28.EL, kernel-xenU 2.6.9-89.0.28.EL, kernel-hugemem 2.6.9-89.0.28.EL, kernel-largesmp 2.6.9-89.0.28.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-89.0.28.EL, kernel-smp 2.6.9-89.0.28.EL, kernel-xenU 2.6.9-89.0.28.EL, kernel-hugemem 2.6.9-89.0.28.EL, kernel-largesmp 2.6.9-89.0.28.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-89.0.28.EL, kernel-smp 2.6.9-89.0.28.EL, kernel-xenU 2.6.9-89.0.28.EL, kernel-hugemem 2.6.9-89.0.28.EL, kernel-largesmp 2.6.9-89.0.28.EL
    fixed: vendor fix RHSA-2010:0606

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

4.03% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation
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.