CVE-2024-49889: ext4: avoid use-after-free in ext4_ext_show_leaf()
ext4: avoid use-after-free in ext4extshowleaf()
Other sources
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— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1
Event History
Frequently Asked Questions
What is the severity of CVE-2024-49889?
CVE-2024-49889 is classified as a critical vulnerability that can lead to a use-after-free condition in the Linux kernel.
How do I fix CVE-2024-49889?
To fix CVE-2024-49889, update to a patched version of the Linux kernel above 5.10.227 or apply the recommended remedial updates.
Which versions of the Linux kernel are affected by CVE-2024-49889?
CVE-2024-49889 affects multiple versions of the Linux kernel ranging from 5.10.224 to versions below 6.11.
What potential impact does CVE-2024-49889 have on systems?
CVE-2024-49889 can potentially allow attackers to execute arbitrary code or cause a system crash due to memory corruption.
Is there a temporary workaround for CVE-2024-49889?
There are no recommended temporary workarounds for CVE-2024-49889; updating the kernel is the best course of action.