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CVE-2009-2846

25
FAUCET Score

CVE-2009-2846 describes an out-of-bounds read vulnerability in the Linux kernel's parisc isa-eeprom component (eisa_eeprom_read function) affecting versions prior to 2.6.31-rc6. A local attacker can exploit this by providing a negative 'ppos' argument, bypassing a positive-value check and leading to restricted memory access. With a CVSS score of 7.8 (AV:N/AC:L/Au:N/C:C/I:N/A:N), this vulnerability is considered high severity, allowing for complete confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.31CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:rc5:*:*:*:*:*:*
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
2.6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
2.6.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:C/I:N/A:N

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.16%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0816 is in the 91st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-2846

CVE-2009-2846

References

git.kernel.org
secunia.com / advisories/37105
exchange.xforce.ibmcloud.com / vulnerabilities/52906
mandriva.com / security/advisories
openwall.com / lists/oss-security/2009/08/10/1
Patch
openwall.com / lists/oss-security/2009/08/18/6
Patch
ubuntu.com / usn/USN-852-1