CVE-2010-4077: linux linux_kernel

Modified

Published 29-11-2010Last modified 07-08-2024

Vulnerability summary

CVE-2010-4077 is a low (CVSS 1.9) vulnerability in linux linux_kernel. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 64% of scored vulnerabilities. 2 public exploits are recorded.

Priority

Routine

Not severe (CVSS 1.9, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

1.9/10

010

Low · v2.0 (NVD)

EPSS score

1.04%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits2reference, exploit-database

Advisory lineage

Upstream 0 · Downstream 2

RHSA-2010:0958 RHSA-2011:0007

Timeline

29-11-2010
PublishedVulnerability first disclosed.
07-08-2024
Last modifiedVulnerability information updated.

Description

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

CVSS metrics

1 score · 1 source · 1 version

v2.01.9

EPSS trend

Probability

1.04%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.04% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found

referenceUnverified
Exploit Reference (securityreason.com)
Maturity: unknown
exploit-databasedoslinuxUnverified
Linux Kenel 2.6.37-rc1 - serial_core TIOCGICOUNT Leak
Maturity: poc

Weaknesses

CWE · root cause

CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Linux1 product

linux_kernel≤ 2.6.36.1

1 vendor · 1 product

References

12 links

www.openwall.com/lists/oss-security/2010/09/25/2Mailing ListX Refsource MLISTPatchThird Party Advisory
git.kernel.orgX Refsource MISC
www.openwall.com/lists/oss-security/2010/10/06/6Mailing ListX Refsource MLISTThird Party Advisory
www.securityfocus.com/bid/45059VDB EntryX Refsource BIDThird Party Advisory
www.redhat.com/support/errata/RHSA-2011-0007.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
lkml.indiana.edu/hypermail//linux/kernel/1009.1/03387.htmlMailing ListX Refsource MLISTPatchThird Party Advisory
www.redhat.com/support/errata/RHSA-2010-0958.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
securityreason.com/securityalert/8129Third Party AdvisoryX Refsource SREASONExploit
www.openwall.com/lists/oss-security/2010/10/07/1Mailing ListX Refsource MLISTPatchThird Party Advisory
secunia.com/advisories/42890Third Party AdvisoryX Refsource SECUNIA

Show all 12 references

www.openwall.com/lists/oss-security/2010/10/25/3Mailing ListX Refsource MLISTPatchThird Party Advisory
bugzilla.redhat.com/show_bug.cgi?id=648663X Refsource CONFIRMIssue TrackingPatchThird Party Advisory