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CVE-2010-2537

22
FAUCET Score

CVE-2010-2537 describes a local privilege escalation vulnerability in the Linux kernel's Btrfs filesystem, specifically affecting versions before 2.6.35. It allows a local user to overwrite append-only files by exploiting the BTRFS_IOC_CLONE or BTRFS_IOC_CLONE_RANGE ioctl calls. With a CVSS score of 7.1 (High), this vulnerability has low attack complexity and requires local access, but can lead to high integrity and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this decade-old vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.35CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
9.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*
10.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*
11CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 71st percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2010-2537

kernel: btrfs: fix checks in BTRFS_IOC_CLONE_RANGE

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2010-09/msg00004.html
Mailing ListThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/42758
Broken Link
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.35
Broken Link
openwall.com / lists/oss-security/2010/07/21/10
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2010/07/21/4
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/41847
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1041-1
Third Party Advisory
vupen.com / english/advisories/2011/0070
Broken Link