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CVE-2007-4849

UnknownEPSS 0.34%

Last modified

CVE-2007-4849 is a vulnerability of currently unknown severity. JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during (1) inode creation or (2) ACL setting, which might allow local users to access restricted files or directories after a remount of a filesystem, related to "legacy modes" and an inconsistency between dentry permissions and inode permissions.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during (1) inode creation or (2) ACL setting, which might allow local users to access restricted files or directories after a remount of a filesystem, related to "legacy modes" and an inconsistency between dentry permissions and inode permissions.

Metrics

EPSS Probability
0.34%

26.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
One Laptop Per ChildOlpc Linuxbuild_542

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2007-4849?
JFFS2, as used on One Laptop Per Child (OLPC) build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during (1) inode creation or (2) ACL setting, which might allow local users to access restricted files or directories after a remount of a filesystem, related to "legacy modes" and an inconsistency between dentry permissions and inode permissions.
How severe is CVE-2007-4849?
Severity scoring for CVE-2007-4849 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2007-4849?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST