CVE-2011-1163: linux linux_kernel Improper Input Validation

Modified

Published 10-04-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-1163 is a low (CVSS 2.1) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 35.7% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

2.1/10

010

Low · v2.0 (NVD)

EPSS score

0.41%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6

DSA-2240-1 DSA-2264-1 RHSA-2011:0500 RHSA-2011:0542 RHSA-2011:0833 RHSA-2011:0883

Timeline

10-04-2011
PublishedVulnerability first disclosed.
06-08-2024
Last modifiedVulnerability information updated.

Description

The osf_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions, which might allow local users to obtain potentially sensitive information from kernel heap memory via vectors related to partition-table parsing.

CVSS metrics

1 score · 1 source · 1 version

v2.02.1

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.41% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected systems

Version check

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

Redhat5 products

Linux1 product

linux_kernel< 2.6.38

Suse1 product

linux_enterprise_server10:sp4

3 vendors · 7 products

References

14 links

www.spinics.net/lists/mm-commits/msg82737.htmlMailing ListX Refsource MLISTPatchThird Party Advisory
www.securityfocus.com/bid/46878VDB EntryX Refsource BIDThird Party Advisory
git.kernel.orgX Refsource CONFIRM
bugzilla.redhat.com/show_bug.cgi?id=688021X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
securityreason.com/securityalert/8189Third Party AdvisoryX Refsource SREASON
securitytracker.com/id?1025225VDB EntryX Refsource SECTRACKThird Party Advisory
openwall.com/lists/oss-security/2011/03/15/14Mailing ListX Refsource MLISTPatchThird Party Advisory
rhn.redhat.com/errata/RHSA-2011-0833.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
openwall.com/lists/oss-security/2011/03/15/9Mailing ListX Refsource MLISTPatchThird Party Advisory
www.pre-cert.de/advisories/PRE-SA-2011-02.txtX Refsource MISCThird Party Advisory

Show all 14 references

downloads.avaya.com/css/P8/documents/100145416X Refsource CONFIRMThird Party Advisory
www.securityfocus.com/archive/1/517050Mailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38X Refsource CONFIRMBroken Link
lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory