CVE-2009-0787 Information disclosure in n/a

What is CVE-2009-0787?

CVE-2009-0787 is a medium-severity vulnerability in Linux kernel, published on 25 Mar 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.

Weakness: CWE-189

Which versions are affected by CVE-2009-0787?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2009-0787?

Apply the vendor's patch.

Is CVE-2009-0787 being exploited?

There is no known exploitation of CVE-2009-0787 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qj8r-wxmp-5mmr.