UBUNTU-CVE-2024-50087
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error The function read_alloc_one_name() does not initialize the name field of the passed fscrypt_str struct if kmalloc fails to allocate the corresponding buffer. Thus, it is not guaranteed that fscrypt_str.name is initialized when freeing it. This is a follow-up to the linked patch that fixes the remaining instances of the bug introduced by commit e43eec81c516 ("btrfs: use struct qstr instead of name and namelen pairs").
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
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43 explicit affected versions
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11 explicit affected versions
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14 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix uninitialized pointer free on read_alloc_one_name() error The function read_alloc_one_name() does not initialize the name field of the passed fscrypt_str struct if kmalloc fails to allocate the corresponding buffer. Thus, it is not guaranteed that fscrypt_str.name is initialized when freeing it. This is a follow-up to the linked patch that fixes the remaining instances of the bug introduced by commit e43eec81c516 ("btrfs: use struct qstr instead of name and namelen pairs").
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/2ab5e243c2266c841e0f6904fad1514b18eaf510
- https://git.kernel.org/stable/c/1ec28de5e476913ae51f909660b4447eddb28838
- https://git.kernel.org/stable/c/2ab5e243c2266c841e0f6904fad1514b18eaf510
- https://git.kernel.org/stable/c/7fc7c47b9ba0cf2d192f2117a64b24881b0b577f
- https://git.kernel.org/stable/c/b37de9491f140a0ff125c27dd1050185c3accbc1
- https://ubuntu.com/security/CVE-2024-50087
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7383-1
- https://ubuntu.com/security/notices/USN-7383-2
- https://ubuntu.com/security/notices/USN-7384-1
- https://ubuntu.com/security/notices/USN-7384-2
- https://ubuntu.com/security/notices/USN-7385-1
- https://ubuntu.com/security/notices/USN-7386-1
- https://ubuntu.com/security/notices/USN-7403-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://www.cve.org/CVERecord?id=CVE-2024-50087