Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632 Call Trace: ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 Fix the logic of ea_all iteration. When the ea->name_len is 0, return immediately, or Add2Ptr() would visit invalid memory in the next loop. [[email protected]: lines of the patch have changed]
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.121 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2Patch
- https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88Patch
- https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994Patch
- https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1Patch
FAQ
What is CVE-2023-53420?
CVE-2023-53420 is a vulnerability with a CVSS score of 7.1 (HIGH). In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bou...
How severe is CVE-2023-53420?
CVE-2023-53420 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-53420?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.