cbcvebase.
CVE-2022-49148
published 2025-02-26

CVE-2022-49148: In the Linux kernel, the following vulnerability has been resolved: watch_queue: Free the page array when watch_queue is dismantled Commit 7ea1a0124b6d…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.26%
17.1th percentile
In the Linux kernel, the following vulnerability has been resolved: watch_queue: Free the page array when watch_queue is dismantled Commit 7ea1a0124b6d ("watch_queue: Free the alloc bitmap when the watch_queue is torn down") took care of the bitmap, but not the page array. BUG: memory leak unreferenced object 0xffff88810d9bc140 (size 32): comm "syz-executor335", pid 3603, jiffies 4294946994 (age 12.840s) hex dump (first 32 bytes): 40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00 @.@............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: kmalloc_array include/linux/slab.h:621 [inline] kcalloc include/linux/slab.h:652 [inline] watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251 pipe_ioctl+0x82/0x140 fs/pipe.c:632 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline]

Affected

15 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.17.3-1 (bookworm)linux 5.17.3-1 (bookworm)
linuxlinux——
linuxlinux>= c73be61cede5882f9605a852414db559c0ebedfd < 7169f60110915c8b53bffd43741fa020a75eb87a7169f60110915c8b53bffd43741fa020a75eb87a
linuxlinux>= c73be61cede5882f9605a852414db559c0ebedfd < 4913daecd04addb41bc96a9175a885e1c19862a84913daecd04addb41bc96a9175a885e1c19862a8
linuxlinux>= c73be61cede5882f9605a852414db559c0ebedfd < 3963a5d1ff75585bddf0c3a918566a6be09d75203963a5d1ff75585bddf0c3a918566a6be09d7520
linuxlinux>= c73be61cede5882f9605a852414db559c0ebedfd < 375cd2536494cfbcdda84ae8b3e35bf19d0250b9375cd2536494cfbcdda84ae8b3e35bf19d0250b9
linuxlinux>= c73be61cede5882f9605a852414db559c0ebedfd < b490207017ba237d97b735b2aa66dc241ccd18f5b490207017ba237d97b735b2aa66dc241ccd18f5
linuxlinux_kernel>= 0 < 5.10.113-15.10.113-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 0 < 5.17.3-15.17.3-1
linuxlinux_kernel>= 5.11 < 5.15.335.15.33
linuxlinux_kernel>= 5.16 < 5.16.195.16.19
linuxlinux_kernel>= 5.17 < 5.17.25.17.2
linuxlinux_kernel>= 5.8 < 5.10.1105.10.110

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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