CVE-2010-2524: canonical ubuntu_linux
Vulnerability summary
CVE-2010-2524 is a high (CVSS 7.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 08-09-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a user's keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a "cache stuffing" issue and MS-DFS referrals.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse2 products
Canonical1 product
- ubuntu_linuxEOL6.06 | 8.04 | 9.04 | 9.10 | 10.04 | 10.10
Linux1 product
- linux_kernel< 2.6.35
Vmware1 product
- esx4.0 | 4.1
4 vendors · 5 products
References
13 links- marc.info?l=oss-security&m=128078387328921&w=2Mailing ListX Refsource MLISTPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- marc.info?l=oss-security&m=128072090331700&w=2Mailing ListX Refsource MLISTPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=612166X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- www.securityfocus.com/archive/1/516397/100/0/threadedMailing ListX Refsource BUGTRAQThird Party AdvisoryVDB Entry
Show all 13 references
- git.kernel.orgX Refsource CONFIRM
- www.mandriva.com/security/advisories?name=MDVSA-2010:172Vendor AdvisoryX Refsource MANDRIVABroken Link