What is CVE-2022-49033?

CVE-2022-49033 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.1 onward and patched in 4.9.335, 4.14.301, 4.19.268 and others. CVE-2022-49033 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49033?

CVE-2022-49033 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49033?

Yes, CVE-2022-49033 has been patched. Fixed versions include 4.9.335, 4.14.301, 4.19.268 and others. If you are running Linux kernel 4.1 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49033 actively exploited?

CVE-2022-49033 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49033

Medium

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit() Syzkaller reported BUG as follows: BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274 Call Trace: <TASK> dump_stack_lvl+0xcd/0x134 __might_resched.cold+0x222/0x26b kmem_cache_alloc+0x2e7/0x3c0 update_qgroup_limit_item+0xe1/0x390 btrfs_qgroup_inherit+0x147b/0x1ee0 create_subvol+0x4eb/0x1710 btrfs_mksubvol+0xfe5/0x13f0 __btrfs_ioctl_snap_create+0x2b0/0x430 btrfs_ioctl_snap_create_v2+0x25a/0x520 btrfs_ioctl+0x2a1c/0x5ce0 __x64_sys_ioctl+0x193/0x200 do_syscall_64+0x35/0x80 Fix this by calling qgroup_dirty() on @dstqgroup, and update limit item in btrfs_run_qgroups() later outside of the spinlock context.

Package Linux Kernel

Published 2024-10-21

Last modified 2024-10-30

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 4.1 and later are affected. Fixed in 4.9.335, 4.14.301, 4.19.268, 5.4.226, 5.10.158, 5.15.82, 6.0.12, 6.1 and their respective stable series.

Affected from

≥ 4.1

Fixed in

✓ 4.9.335 4.9.x ✓ 4.14.301 4.14.x ✓ 4.19.268 4.19.x ✓ 5.4.226 5.4.x ✓ 5.10.158 5.10.x ✓ 5.15.82 5.15.x ✓ 6.0.12 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-49033 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/01d7c41eac9129fba80d8aed0060caab4a7dbe09
Patch
Kernel patch commit
https://git.kernel.org/stable/c/044da1a371a0da579e805e89c96865f62d8f6f69
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3c98e91be6aea4c7acf09da6eb0c107ea9186bb5
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2022-49033

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-10-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49033?

CVE-2022-49033 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.1 onward and has been patched in 4.9.335, 4.14.301, 4.19.268 and others. CVE-2022-49033 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49033?

CVE-2022-49033 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49033?

Yes — CVE-2022-49033 has been patched. Fixed versions include 4.9.335, 4.14.301, 4.19.268 and others. If you are running Linux kernel 4.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49033 actively exploited?

No — CVE-2022-49033 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.