What is CVE-2022-48635?

CVE-2022-48635 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10, classified as a Infinite Loop flaw (CWE-835). CVE-2022-48635 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48635?

CVE-2022-48635 has a CVSS score of 6.2 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-48635?

No patch is currently available for CVE-2022-48635. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2022-48635 actively exploited?

CVE-2022-48635 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Infinite Loop (CWE-835)?

The product contains an iteration that does not exit even when it should. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/835.html

CVE-2022-48635

Medium

In the Linux kernel, the following vulnerability has been resolved: fsdax: Fix infinite loop in dax_iomap_rw() I got an infinite loop and a WARNING report when executing a tail command in virtiofs. WARNING: CPU: 10 PID: 964 at fs/iomap/iter.c:34 iomap_iter+0x3a2/0x3d0 Modules linked in: CPU: 10 PID: 964 Comm: tail Not tainted 5.19.0-rc7 Call Trace: <TASK> dax_iomap_rw+0xea/0x620 ? __this_cpu_preempt_check+0x13/0x20 fuse_dax_read_iter+0x47/0x80 fuse_file_read_iter+0xae/0xd0 new_sync_read+0xfe/0x180 ? 0xffffffff81000000 vfs_read+0x14d/0x1a0 ksys_read+0x6d/0xf0 __x64_sys_read+0x1a/0x20 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd The tail command will call read() with a count of 0. In this case, iomap_iter() will report this WARNING, and always return 1 which casuing the infinite loop in dax_iomap_rw(). Fixing by checking count whether is 0 in dax_iomap_rw().

Package Linux Kernel

Published 2024-04-28

Last modified 2025-10-29

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.2

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-835

CVE-2022-48635 is a Infinite Loop vulnerability

What is Infinite Loop?

The product contains an iteration that does not exit even when it should. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2022-48635 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/17d9c15c9b9e7fb285f7ac5367dfb5f00ff575e3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/463f36137c40342fb03bba380c1bf703c40d89a6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/60644dffac87b1bb47bdb393aa29d5f2ffcf41a0
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-48635

Severity Medium

CVSS score 6.2 / 10

CVSS version 3.1

Published 2024-04-28

Modified 2025-10-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2022-48635?

CVE-2022-48635 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as an Infinite Loop flaw (CWE-835) . CVE-2022-48635 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48635?

CVE-2022-48635 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-48635?

No patch is currently available for CVE-2022-48635. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2022-48635 actively exploited?

No — CVE-2022-48635 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Infinite Loop (CWE-835)?

The product contains an iteration that does not exit even when it should. View CWE-835 on MITRE CWE →