CVE-2022-50076
published 2025-06-18CVE-2022-50076: In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below…
PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.16%
5.3th percentile
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix memory leak on the deferred close
xfstests on smb21 report kmemleak as below:
unreferenced object 0xffff8881767d6200 (size 64):
comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s)
hex dump (first 32 bytes):
80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c....
00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............
backtrace:
[] cifs_close+0x92/0x2c0
[] __fput+0xff/0x3f0
[] task_work_run+0x85/0xc0
[] do_exit+0x5e5/0x1240
[] do_group_exit+0x58/0xe0
[] __x64_sys_exit_group+0x28/0x30
[] do_syscall_64+0x35/0x80
[] entry_SYSCALL_64_after_hwframe+0x46/0xb0
When cancel the deferred close work, we should also cleanup the struct
cifs_deferred_close.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.0.2-1 (bookworm) | linux 6.0.2-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 5.13.12 < 5.14 | 5.14 |
| linux | linux | >= 9e992755be8f2d458a0bcbefd19e493483c1dba2 < 860efae127888ae535bc4eda1b7f27642727c69e | 860efae127888ae535bc4eda1b7f27642727c69e |
| linux | linux | >= 9e992755be8f2d458a0bcbefd19e493483c1dba2 < 60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5 | 60b6d38add7b9c17d6e5d49ee8e930ea1a5650c5 |
| linux | linux | >= 9e992755be8f2d458a0bcbefd19e493483c1dba2 < ca08d0eac020d48a3141dbec0a3cf64fbdb17cde | ca08d0eac020d48a3141dbec0a3cf64fbdb17cde |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 0 < 6.0.2-1 | 6.0.2-1 |
| linux | linux_kernel | >= 5.13.12 < 5.14 | 5.14 |
| linux | linux_kernel | >= 5.14.1 < 5.15.63 | 5.15.63 |
| linux | linux_kernel | >= 5.16 < 5.19.4 | 5.19.4 |
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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Red Hat
kernel: cifs: Fix memory leak on the deferred close
vendor_redhat·2025-06-18·CVSS 5.5
CVE-2022-50076 [MEDIUM] kernel: cifs: Fix memory leak on the deferred close
kernel: cifs: Fix memory leak on the deferred close
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix memory leak on the deferred close
xfstests on smb21 report kmemleak as below:
unreferenced object 0xffff8881767d6200 (size 64):
comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s)
hex dump (first 32 bytes):
80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c....
00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............
backtrace:
[] cifs_close+0x92/0x2c0
[] __fput+0xff/0x3f0
[] task_work_run+0x85/0xc0
[] do_exit+0x5e5/0x1240
[] do_group_exit+0x58/0xe0
[] __x64_sys_exit_group+0x28/0x30
[] do_syscall_64+0x35/0x80
[] entry_SYSCALL_64_after_hwframe+0x46/0xb0
When cancel the deferred close work, we should also cleanup the struct
cifs_deferred_c
Debian
CVE-2022-50076: linux - In the Linux kernel, the following vulnerability has been resolved: cifs: Fix m...
vendor_debian·2022·CVSS 5.5
CVE-2022-50076 [MEDIUM] CVE-2022-50076: linux - In the Linux kernel, the following vulnerability has been resolved: cifs: Fix m...
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below: unreferenced object 0xffff8881767d6200 (size 64): comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s) hex dump (first 32 bytes): 80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c.... 00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............ backtrace: [] cifs_close+0x92/0x2c0 [] __fput+0xff/0x3f0 [] task_work_run+0x85/0xc0 [] do_exit+0x5e5/0x1240 [] do_group_exit+0x58/0xe0 [] __x64_sys_exit_group+0x28/0x30 [] do_syscall_64+0x35/0x80 [] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When cancel the deferred close work, we should also cleanup the struct cifs_deferred_close.
Scope: local
bookworm: resolved (fixed in 6.0.2
OSV
CVE-2022-50076: In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as b
osv·2025-06-18·CVSS 5.5
CVE-2022-50076 [MEDIUM] CVE-2022-50076: In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as b
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below: unreferenced object 0xffff8881767d6200 (size 64): comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s) hex dump (first 32 bytes): 80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c.... 00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............ backtrace: [] cifs_close+0x92/0x2c0 [] __fput+0xff/0x3f0 [] task_work_run+0x85/0xc0 [] do_exit+0x5e5/0x1240 [] do_group_exit+0x58/0xe0 [] __x64_sys_exit_group+0x28/0x30 [] do_syscall_64+0x35/0x80 [] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When cancel the deferred close work, we should also cleanup the struct cifs_deferred_close.
GHSA
GHSA-hc4h-pg37-34f7: In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix memory leak on the deferred close
xfstests on smb21 report kmemleak as
ghsa_unreviewed·2025-06-18
CVE-2022-50076 [MEDIUM] CWE-401 GHSA-hc4h-pg37-34f7: In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix memory leak on the deferred close
xfstests on smb21 report kmemleak as
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix memory leak on the deferred close
xfstests on smb21 report kmemleak as below:
unreferenced object 0xffff8881767d6200 (size 64):
comm "xfs_io", pid 1284, jiffies 4294777434 (age 20.789s)
hex dump (first 32 bytes):
80 5a d0 11 81 88 ff ff 78 8a aa 63 81 88 ff ff .Z......x..c....
00 71 99 76 81 88 ff ff 00 00 00 00 00 00 00 00 .q.v............
backtrace:
[] cifs_close+0x92/0x2c0
[] __fput+0xff/0x3f0
[] task_work_run+0x85/0xc0
[] do_exit+0x5e5/0x1240
[] do_group_exit+0x58/0xe0
[] __x64_sys_exit_group+0x28/0x30
[] do_syscall_64+0x35/0x80
[] entry_SYSCALL_64_after_hwframe+0x46/0xb0
When cancel the deferred close work, we should also cleanup the struct
cifs_deferred_close.
No detection rules found.
No public exploits indexed.
2025-06-18
Published