vulnerability
SUSE: CVE-2025-22120: SUSE Linux Security Advisory
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jul 8, 2025 | Dec 5, 2025 | Dec 5, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: goto right label 'out_mmap_sem' in ext4_setattr()
Otherwise, if ext4_inode_attach_jinode() fails, a hung task will
happen because filemap_invalidate_unlock() isn't called to unlock
mapping->invalidate_lock. Like this:
EXT4-fs error (device sda) in ext4_setattr:5557: Out of memory
INFO: task fsstress:374 blocked for more than 122 seconds.
Not tainted 6.14.0-rc1-next-20250206-xfstests-dirty #726
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:fsstress state:D stack:0 pid:374 tgid:374 ppid:373
task_flags:0x440140 flags:0x00000000
Call Trace:
<TASK>
__schedule+0x2c9/0x7f0
schedule+0x27/0xa0
schedule_preempt_disabled+0x15/0x30
rwsem_down_read_slowpath+0x278/0x4c0
down_read+0x59/0xb0
page_cache_ra_unbounded+0x65/0x1b0
filemap_get_pages+0x124/0x3e0
filemap_read+0x114/0x3d0
vfs_read+0x297/0x360
ksys_read+0x6c/0xe0
do_syscall_64+0x4b/0x110
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Solutions
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