cbcvebase.
CVE-2023-52444
published 2024-02-22

CVE-2023-52444: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link[1]: f2fs_rename() ... if…

PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.24%
15.8th percentile
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid dirent corruption As Al reported in link[1]: f2fs_rename() ... if (old_dir != new_dir && !whiteout) f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); else f2fs_put_page(old_dir_page, 0); You want correct inumber in the ".." link. And cross-directory rename does move the source to new parent, even if you'd been asked to leave a whiteout in the old place. [1] https://lore.kernel.org/all/20231017055040.GN800259@ZenIV/ With below testcase, it may cause dirent corruption, due to it missed to call f2fs_set_link() to update ".." link to new directory. - mkdir -p dir/foo - renameat2 -w dir/foo bar [ASSERT] (__chk_dots_dentries:1421) --> Bad inode number[0x4] for '..', parent parent ino is [0x3] [FSCK] other corrupted bugs [Fail]

Affected

24 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.76-1 (bookworm)linux 6.1.76-1 (bookworm)
linuxlinux
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < 02160112e6d45c2610b049df6eb693d7a2e57b4602160112e6d45c2610b049df6eb693d7a2e57b46
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < 5624a3c1b1ebc8991318e1cce2aa7195429910245624a3c1b1ebc8991318e1cce2aa719542991024
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < 6f866885e147d33efc497f1095f35b2ee5ec73106f866885e147d33efc497f1095f35b2ee5ec7310
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < f100ba617d8be6c98a68f3744ef7617082975b77f100ba617d8be6c98a68f3744ef7617082975b77
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < f0145860c20be6bae6785c7a2249577674702ac7f0145860c20be6bae6785c7a2249577674702ac7
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < d3c0b49aaa12a61d560528f5d605029ab57f0728d3c0b49aaa12a61d560528f5d605029ab57f0728
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < 2fb4867f4405aea8c0519d7d188207f232a578622fb4867f4405aea8c0519d7d188207f232a57862
linuxlinux>= 7e01e7ad746bc8198a8b46163ddc73a1c7d22339 < 53edb549565f55ccd0bdf43be3d66ce4c2d48b2853edb549565f55ccd0bdf43be3d66ce4c2d48b28
linuxlinux_kernel>= 0 < 5.10.209-15.10.209-1
linuxlinux_kernel>= 0 < 6.1.76-16.1.76-1
linuxlinux_kernel>= 0 < 6.6.15-16.6.15-1
linuxlinux_kernel>= 0 < 6.6.15-16.6.15-1
linuxlinux_kernel>= 0 < 5.4.0-176.1965.4.0-176.196
linuxlinux_kernel>= 0 < 5.15.0-102.1125.15.0-102.112
linuxlinux_kernel>= 0 < 4.4.0-257.2914.4.0-257.291
linuxlinux_kernel>= 4.2.0 < 4.19.3064.19.306
linuxlinux_kernel>= 4.20 < 5.4.2685.4.268
linuxlinux_kernel>= 5.11.0 < 5.15.1485.15.148
linuxlinux_kernel>= 5.16.0 < 6.1.756.1.75
linuxlinux_kernel>= 5.5.0 < 5.10.2095.10.209
linuxlinux_kernel>= 6.2.0 < 6.6.146.6.14
linuxlinux_kernel>= 6.7.0 < 6.7.26.7.2

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv8.1HIGH
vendor_debian7.8HIGH
vendor_ubuntu7.5HIGH
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