CVE-2022-49361

published 2025-02-26

CVE-2022-49361: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check for inline inode Yanming reported a kernel bug in Bugzilla…

Priority P4 19 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C N I N A H

In the Linux kernel, the following vulnerability has been resolved:

f2fs: fix to do sanity check for inline inode

Yanming reported a kernel bug in Bugzilla kernel [1], which can be
reproduced. The bug message is:

The kernel message is shown below:

kernel BUG at fs/inode.c:611!
Call Trace:
evict+0x282/0x4e0
__dentry_kill+0x2b2/0x4d0
dput+0x2dd/0x720
do_renameat2+0x596/0x970
__x64_sys_rename+0x78/0x90
do_syscall_64+0x3b/0x90

[1] https://bugzilla.kernel.org/show_bug.cgi?id=215895

The bug is due to fuzzed inode has both inline_data and encrypted flags.
During f2fs_evict_inode(), as the inode was deleted by rename(), it
will cause inline data conversion due to conflicting flags. The page
cache will be polluted and the panic will be triggered in clear_inode().

Try fixing the bug by doing more sanity checks for inline data inode in
sanity_check_inode().

Affected

15 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 5.18.5-1 (bookworm)	linux 5.18.5-1 (bookworm)
linux	linux	—	—
linux	linux	>= 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < efdefbe8b7564602ab446474788225a1f2a323b5	efdefbe8b7564602ab446474788225a1f2a323b5
linux	linux	>= 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < 7cfe2d43becaf76e562b9617d2c2d9b445f86761	7cfe2d43becaf76e562b9617d2c2d9b445f86761
linux	linux	>= 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < 11c1cd032df85df3c096a57a7f27d57819956e4a	11c1cd032df85df3c096a57a7f27d57819956e4a
linux	linux	>= 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < 198fd9faa271dd54dca6fc8eb6873f42dfd3b4d8	198fd9faa271dd54dca6fc8eb6873f42dfd3b4d8
linux	linux	>= 98e4da8ca301e062d79ae168c67e56f3c3de3ce4 < 677a82b44ebf263d4f9a0cfbd576a6ade797a07b	677a82b44ebf263d4f9a0cfbd576a6ade797a07b
linux	linux_kernel	>= 0 < 5.10.127-1	5.10.127-1
linux	linux_kernel	>= 0 < 5.18.5-1	5.18.5-1
linux	linux_kernel	>= 0 < 5.18.5-1	5.18.5-1
linux	linux_kernel	>= 0 < 5.18.5-1	5.18.5-1
linux	linux_kernel	>= 3.8 < 5.10.121	5.10.121
linux	linux_kernel	>= 5.11 < 5.15.46	5.15.46
linux	linux_kernel	>= 5.16 < 5.17.14	5.17.14
linux	linux_kernel	>= 5.18 < 5.18.3	5.18.3

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

osv 5.5 MEDIUM

vendor_debian 5.5 MEDIUM

vendor_redhat 5.5 MEDIUM

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