CVE-2022-48903

published 2024-08-22

CVE-2022-48903: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix relocation crash due to premature return from btrfs_commit_transaction() We are…

Priority P4 20 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:

btrfs: fix relocation crash due to premature return from btrfs_commit_transaction()

We are seeing crashes similar to the following trace:

[38.969182] WARNING: CPU: 20 PID: 2105 at fs/btrfs/relocation.c:4070 btrfs_relocate_block_group+0x2dc/0x340 [btrfs]
[38.973556] CPU: 20 PID: 2105 Comm: btrfs Not tainted 5.17.0-rc4 #54
[38.974580] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
[38.976539] RIP: 0010:btrfs_relocate_block_group+0x2dc/0x340 [btrfs]
[38.980336] RSP: 0000:ffffb0dd42e03c20 EFLAGS: 00010206
[38.981218] RAX: ffff96cfc4ede800 RBX: ffff96cfc3ce0000 RCX: 000000000002ca14
[38.982560] RDX: 0000000000000000 RSI: 4cfd109a0bcb5d7f RDI: ffff96cfc3ce0360
[38.983619] RBP: ffff96cfc309c000 R08: 0000000000000000 R09: 0000000000000000
[38.984678] R10: ffff96cec0000001 R11: ffffe84c80000000 R12: ffff96cfc4ede800
[38.985735] R13: 0000000000000000 R14: 0000000000000000 R15: ffff96cfc3ce0360
[38.987146] FS: 00007f11c15218c0(0000) GS:ffff96d6dfb00000(0000) knlGS:0000000000000000
[38.988662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[38.989398] CR2: 00007ffc922c8e60 CR3: 00000001147a6001 CR4: 0000000000370ee0
[38.990279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[38.991219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[38.992528] Call Trace:
[38.992854]
[38.993148] btrfs_relocate_chunk+0x27/0xe0 [btrfs]
[38.993941] btrfs_balance+0x78e/0xea0 [btrfs]
[38.994801] ? vsnprintf+0x33c/0x520
[38.995368] ? __kmalloc_track_caller+0x351/0x440
[38.996198] btrfs_ioctl_balance+0x2b9/0x3a0 [btrfs]
[38.997084] btrfs_ioctl+0x11b0/0x2da0 [btrfs]
[38.997867] ? mod_objcg_state+0xee/0x340
[38.998552] ? seq_release+0x24/0x30
[38.999184] ? proc_nr_files+0x30/0x30
[38.999654] ? call_rcu+0xc8/0x2f0
[39.000228] ? __x64_sys_ioctl+0x84/0xc0
[39.000872] ? btrfs_ioctl_get_supported_features+0x30/0x30 [btrfs]
[39.001

Affected

11 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 5.16.14-1 (bookworm)	linux 5.16.14-1 (bookworm)
linux	linux	—	—
linux	linux	>= d0c2f4fa555e70324ec2a129b822ab58f172cc62 < 725a6ac389b182261af174176e561a36b0f39ffc	725a6ac389b182261af174176e561a36b0f39ffc
linux	linux	>= d0c2f4fa555e70324ec2a129b822ab58f172cc62 < a4378947ae39f08c6ae4c6a87ccdebc981a7bbcb	a4378947ae39f08c6ae4c6a87ccdebc981a7bbcb
linux	linux	>= d0c2f4fa555e70324ec2a129b822ab58f172cc62 < 5fd76bf31ccfecc06e2e6b29f8c809e934085b99	5fd76bf31ccfecc06e2e6b29f8c809e934085b99
linux	linux_kernel	—	—
linux	linux_kernel	>= 0 < 5.16.14-1	5.16.14-1
linux	linux_kernel	>= 0 < 5.16.14-1	5.16.14-1
linux	linux_kernel	>= 0 < 5.16.14-1	5.16.14-1
linux	linux_kernel	>= 5.12 < 5.15.27	5.15.27
linux	linux_kernel	>= 5.16 < 5.16.13	5.16.13

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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CWE-362