CVE-2023-53317
published 2025-09-16CVE-2023-53317: In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mb_find_extent Syzbot found the following issue: EXT4-fs: Warning…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.15%
4.3th percentile
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix WARNING in mb_find_extent
Syzbot found the following issue:
EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
EXT4-fs (loop0): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_extent+0x8a1/0xe30
Modules linked in:
CPU: 1 PID: 5067 Comm: syz-executor307 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:mb_find_extent+0x8a1/0xe30 fs/ext4/mballoc.c:1869
RSP: 0018:ffffc90003c9e098 EFLAGS: 00010293
RAX: ffffffff82405731 RBX: 0000000000000041 RCX: ffff8880783457c0
RDX: 0000000000000000 RSI: 0000000000000041 RDI: 0000000000000040
RBP: 0000000000000040 R08: ffffffff82405723 R09: ffffed10053c9402
R10: ffffed10053c9402 R11: 1ffff110053c9401 R12: 0000000000000000
R13: ffffc90003c9e538 R14: dffffc0000000000 R15: ffffc90003c9e2cc
FS: 0000555556665300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056312f6796f8 CR3: 0000000022437000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ext4_mb_complex_scan_group+0x353/0x1100 fs/ext4/mballoc.c:2307
ext4_mb_regular_allocator+0x1533/0x3860 fs/ext4/mballoc.c:2735
ext4_mb_new_blocks+0xddf/0x3db0 fs/ext4/mballoc.c:5605
ext4_ext_map_blocks+0x1868/0x6880 fs/ext4/extents.c:4286
ext4_map_blocks+0xa49/0x1cc0 fs/ext4/inode.c:651
ext4_getblk+0x1b9/0x770 fs/ext4/inode.c:864
ext4_bread+0x2a/0x170 fs/ext4/inode.c:920
ext4_quota_write+0x225/0x570 fs/ext4/super.c:7105
write_blk fs/quota/quota_tree.c:64 [inline]
get_free_dqblk+0x34a/0x6d0 fs/quota/quota_tree.c:130
do_insert_tree+0x26b/0x1aa0 fs/quota/quota_tree.c:340
do_insert_tree+0x722/0x1aa0 fs/quota/quota_tr
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.37-1 (bookworm) | linux 6.1.37-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < 775b00ba23f6f916fe2ac60c5ff7fd0fe4f28d0d | 775b00ba23f6f916fe2ac60c5ff7fd0fe4f28d0d |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < 1b90fbc7590124c57a2e590de7fd07eba26606f1 | 1b90fbc7590124c57a2e590de7fd07eba26606f1 |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < 5d356d902e9d5b1aaaaf2326d365340fa8a90c1b | 5d356d902e9d5b1aaaaf2326d365340fa8a90c1b |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < d55e76e11592a1d18a179c7fd34ca1b52632beb3 | d55e76e11592a1d18a179c7fd34ca1b52632beb3 |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < dba62fa84a8eac44a53a2862de8a40e5bdfa0ae3 | dba62fa84a8eac44a53a2862de8a40e5bdfa0ae3 |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < e4d503c956a744cb59e509ca5f134cfad423c7a3 | e4d503c956a744cb59e509ca5f134cfad423c7a3 |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < dd45e536f47a82e0a405f9a4b6c7ceb367171ee9 | dd45e536f47a82e0a405f9a4b6c7ceb367171ee9 |
| linux | linux | >= abcb2947c91130426539f209f7a473a67a1f6663 < fa08a7b61dff8a4df11ff1e84abfc214b487caf7 | fa08a7b61dff8a4df11ff1e84abfc214b487caf7 |
| linux | linux_kernel | < 4.19.283 | 4.19.283 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.191-1 | 5.10.191-1 |
| linux | linux_kernel | >= 0 < 6.1.37-1 | 6.1.37-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 4.20 < 5.4.243 | 5.4.243 |
| linux | linux_kernel | >= 5.11 < 5.15.112 | 5.15.112 |
| linux | linux_kernel | >= 5.16 < 6.1.29 | 6.1.29 |
| linux | linux_kernel | >= 5.5 < 5.10.180 | 5.10.180 |
| linux | linux_kernel | >= 6.2 < 6.2.16 | 6.2.16 |
| linux | linux_kernel | >= 6.3 < 6.3.3 | 6.3.3 |
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: ext4: fix WARNING in mb_find_extent
vendor_redhat·2025-09-16·CVSS 5.5
CVE-2023-53317 [MEDIUM] kernel: ext4: fix WARNING in mb_find_extent
kernel: ext4: fix WARNING in mb_find_extent
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix WARNING in mb_find_extent
Syzbot found the following issue:
EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
EXT4-fs (loop0): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_extent+0x8a1/0xe30
Modules linked in:
CPU: 1 PID: 5067 Comm: syz-executor307 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:mb_find_extent+0x8a1/0xe30 fs/ext4/mballoc.c:1869
RSP: 0018:ffffc90003c9e098 EFLAGS: 00010293
RAX: ffffffff82405731 RBX: 0000000000000041
Debian
CVE-2023-53317: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: fix W...
vendor_debian·2023·CVSS 5.5
CVE-2023-53317 [MEDIUM] CVE-2023-53317: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: fix W...
In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mb_find_extent Syzbot found the following issue: EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop0): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_extent+0x8a1/0xe30 Modules linked in: CPU: 1 PID: 5067 Comm: syz-executor307 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:mb_find_extent+0x8a1/0xe30 fs/ext4/mballoc.c:1869 RSP: 0018:ffffc90003c9e098 EFLAGS: 00010293 RAX: ffffffff82405731 RBX: 0000000000000041 RCX: ffff8880783457c0 RDX: 0000000000000000
OSV
CVE-2023-53317: In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mb_find_extent Syzbot found the following issue: EXT4-fs: War
osv·2025-09-16·CVSS 5.5
CVE-2023-53317 [MEDIUM] CVE-2023-53317: In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mb_find_extent Syzbot found the following issue: EXT4-fs: War
In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mb_find_extent Syzbot found the following issue: EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support! EXT4-fs (loop0): orphan cleanup on readonly fs ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_extent+0x8a1/0xe30 Modules linked in: CPU: 1 PID: 5067 Comm: syz-executor307 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:mb_find_extent+0x8a1/0xe30 fs/ext4/mballoc.c:1869 RSP: 0018:ffffc90003c9e098 EFLAGS: 00010293 RAX: ffffffff82405731 RBX: 0000000000000041 RCX: ffff8880783457c0 RDX: 0000000000000000
GHSA
GHSA-769w-mwjw-953c: In the Linux kernel, the following vulnerability has been resolved:
ext4: fix WARNING in mb_find_extent
Syzbot found the following issue:
EXT4-fs:
ghsa_unreviewed·2025-09-16
CVE-2023-53317 [MEDIUM] GHSA-769w-mwjw-953c: In the Linux kernel, the following vulnerability has been resolved:
ext4: fix WARNING in mb_find_extent
Syzbot found the following issue:
EXT4-fs:
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix WARNING in mb_find_extent
Syzbot found the following issue:
EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, O_DIRECT and fast_commit support!
EXT4-fs (loop0): orphan cleanup on readonly fs
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5067 at fs/ext4/mballoc.c:1869 mb_find_extent+0x8a1/0xe30
Modules linked in:
CPU: 1 PID: 5067 Comm: syz-executor307 Not tainted 6.2.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:mb_find_extent+0x8a1/0xe30 fs/ext4/mballoc.c:1869
RSP: 0018:ffffc90003c9e098 EFLAGS: 00010293
RAX: ffffffff82405731 RBX: 0000000000000041 RCX: ffff8880783457c0
RDX: 00000000000000
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/1b90fbc7590124c57a2e590de7fd07eba26606f1https://git.kernel.org/stable/c/5d356d902e9d5b1aaaaf2326d365340fa8a90c1bhttps://git.kernel.org/stable/c/775b00ba23f6f916fe2ac60c5ff7fd0fe4f28d0dhttps://git.kernel.org/stable/c/d55e76e11592a1d18a179c7fd34ca1b52632beb3https://git.kernel.org/stable/c/dba62fa84a8eac44a53a2862de8a40e5bdfa0ae3https://git.kernel.org/stable/c/dd45e536f47a82e0a405f9a4b6c7ceb367171ee9https://git.kernel.org/stable/c/e4d503c956a744cb59e509ca5f134cfad423c7a3https://git.kernel.org/stable/c/fa08a7b61dff8a4df11ff1e84abfc214b487caf7
2025-09-16
Published