CVE-2015-2925: canonical ubuntu_linux
Vulnerability summary
CVE-2015-2925 is a medium (CVSS 6.9) vulnerability in canonical ubuntu_linux. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 68.1% of scored vulnerabilities.
Not severe (CVSS 6.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 20 · Related 14Timeline
- 16-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The prepend_path function in fs/dcache.c in the Linux kernel before 4.2.4 does not properly handle rename actions inside a bind mount, which allows local users to bypass an intended container protection mechanism by renaming a directory, related to a "double-chroot attack."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
1.20%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
Decrease -0.05 pp
From 1.25% 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, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu20 products
- linux< 3.13.0-67.110
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian2 products
- linux< 4.2.1-1
- debian_linuxEOL7.0 | 8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 15.04
Linux1 product
- linux_kernel< 3.2.72 | ≥ 3.3, < 3.4.110 | ≥ 3.5, < 3.10.91 | ≥ 3.11, < 3.12.49 | ≥ 3.13, < 3.14.55 | ≥ 3.15, < 3.16.35 | ≥ 3.17, < 3.18.23 | ≥ 3.19, < 4.1.11 | ≥ 4.2, < 4.2.4
4 vendors · 24 products
References
45 links- lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- permalink.gmane.org/gmane.linux.kernel.containers/29173Mailing ListX Refsource MLISTBroken LinkREPORT
- pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f22&id=520b64102de2f184036024b2a53de2b67463bd78X Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 45 references
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRMThird Party Advisory
- permalink.gmane.org/gmane.linux.kernel.containers/29177Mailing ListX Refsource MLISTBroken LinkREPORT
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00021.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00020.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- github.com/torvalds/linux/commit/cde93be45a8a90d8c264c776fab63487b5038a65X Refsource CONFIRMThird Party Advisory
- github.com/torvalds/linux/commit/397d425dc26da728396e66d392d5dcb8dac30c37X Refsource CONFIRMThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00022.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2016-02/msg00018.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory