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CVE-2014-2038

N/A
Published: February 28, 2014 at 02:00 AM UTC
Updated: June 17, 2026 at 12:05 AM UTC
2 products affected across 2 vendorsLinux KernelUbuntu Linux

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Severity
N/A
Exploit prediction
EPSS 0.4%

Description

The nfs_can_extend_write function in fs/nfs/write.c in the Linux kernel before 3.13.3 relies on a write delegation to extend a write operation without a certain up-to-date verification, which allows local users to obtain sensitive information from kernel memory in opportunistic circumstances by writing to a file in an NFS filesystem and then reading the same file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
12.0413.10
Linux Kernel· Linux
95%
v < 3.13.3
Affected range stops below 3.13.3, so it looks safe — our inference, not a vendor statement

References (7)

x_refsource_CONFIRM
Source: [email protected]
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=263b4509ec4d47e0da3e753f85a39ea12d1eff24
x_refsource_CONFIRMRelease NotesVendor Advisory
Source: [email protected]
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.3
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/02/20/16
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-2137-1
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-2140-1
x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1066939
x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://github.com/torvalds/linux/commit/263b4509ec4d47e0da3e753f85a39ea12d1eff24

CVSS

2.1LOW[email protected]
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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