CVE-2025-22046

uprobes/x86: Harden uretprobe syscall trampoline check

Published Apr 16, 2025 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Description

In the Linux kernel, the following vulnerability has been resolved:

uprobes/x86: Harden uretprobe syscall trampoline check

Jann reported a possible issue when trampoline_check_ip returns
address near the bottom of the address space that is allowed to
call into the syscall if uretprobes are not set up:

https://lore.kernel.org/bpf/202502081235.5A6F352985@keescook/T/#m9d416df341b8fbc11737dacbcd29f0054413cbbf

Though the mmap minimum address restrictions will typically prevent
creating mappings there, let's make sure uretprobe syscall checks
for that.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Linux

unaffected

Version	Status	Constraints
`ff474a78cef5cb5f32be52fe25b78441327a2e7c`	affected	< c35771342e47d58ab9433f3be1c3c30f2c5fa4f3
`ff474a78cef5cb5f32be52fe25b78441327a2e7c`	affected	< b0065d712049c87e1994c6eac00c6a637e39b325
`ff474a78cef5cb5f32be52fe25b78441327a2e7c`	affected	< d4e48b8d59fe162938a5004ace698c847e6a3207
`ff474a78cef5cb5f32be52fe25b78441327a2e7c`	affected	< fa6192adc32f4fdfe5b74edd5b210e12afd6ecc0

Linux

affected

Version	Status	Constraints
`6.11`	affected	—
`0`	unaffected	< 6.11
`6.12.23`	unaffected	≤ 6.12.*
`6.13.11`	unaffected	≤ 6.13.*
`6.14.2`	unaffected	≤ 6.14.*
`6.15`	unaffected	≤ *

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-11247	In the Linux kernel, the following vulnerability has been resolved: uprobes/x86: Harden uretprobe syscall trampoline check Jann reported a possible issue when trampoline_check_ip returns address near the bottom of the address space that is allowed to call into the syscall if uretprobes are not set up: https://lore.kernel.org/bpf/202502081235.5A6F352985@keescook/T/#m9d416df341b8fbc11737dacbcd29f0054413cbbf Though the mmap minimum address restrictions will typically prevent creating mappings there, let's make sure uretprobe syscall checks for that.
Ubuntu USN	USN-7594-1	Linux kernel vulnerabilities
Ubuntu USN	USN-7594-2	Linux kernel (Azure) vulnerabilities
Ubuntu USN	USN-7594-3	Linux kernel vulnerabilities
Ubuntu USN	USN-7605-1	Linux kernel vulnerabilities
Ubuntu USN	USN-7605-2	Linux kernel (Low Latency) vulnerabilities
Ubuntu USN	USN-7606-1	Linux kernel (OEM) vulnerabilities
Ubuntu USN	USN-7628-1	Linux kernel (Azure) vulnerabilities

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.206% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/stable/c/b0065d712049c87e1994c6eac00c6a637e39b325
https://git.kernel.org/stable/c/c35771342e47d58ab9433f3be1c3c30f2c5fa4f3
https://git.kernel.org/stable/c/d4e48b8d59fe162938a5004ace698c847e6a3207
https://git.kernel.org/stable/c/fa6192adc32f4fdfe5b74edd5b210e12afd6ecc0
https://lore.kernel.org/linux-cve-announce/2025041601-CVE-2025-22046-e5b9@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-22046
https://www.cve.org/CVERecord?id=CVE-2025-22046

History

Oct 31, 2025 8:45 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		NVD-CWE-noinfo
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`

Apr 25, 2025 4:00 PM Weaknesses updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-99
Metrics	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}`

Apr 17, 2025 2:15 PM Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
References		https://lore.kernel.org/linux-cve-announce/2025041601-CVE-2025-22046-e5b9@gregkh/T https://nvd.nist.gov/vuln/detail/CVE-2025-22046 https://www.cve.org/CVERecord?id=CVE-2025-22046
Metrics	threat_severity `None`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` threat_severity `Low`

Apr 16, 2025 2:30 PM Description updated. Title updated. Added references View changes

Type	Values Removed	Values Added
Description		In the Linux kernel, the following vulnerability has been resolved: uprobes/x86: Harden uretprobe syscall trampoline check Jann reported a possible issue when trampoline_check_ip returns address near the bottom of the address space that is allowed to call into the syscall if uretprobes are not set up: https://lore.kernel.org/bpf/202502081235.5A6F352985@keescook/T/#m9d416df341b8fbc11737dacbcd29f0054413cbbf Though the mmap minimum address restrictions will typically prevent creating mappings there, let's make sure uretprobe syscall checks for that.
Title		uprobes/x86: Harden uretprobe syscall trampoline check
References		https://git.kernel.org/stable/c/b0065d712049c87e1994c6eac00c6a637e39b325 https://git.kernel.org/stable/c/c35771342e47d58ab9433f3be1c3c30f2c5fa4f3 https://git.kernel.org/stable/c/d4e48b8d59fe162938a5004ace698c847e6a3207 https://git.kernel.org/stable/c/fa6192adc32f4fdfe5b74edd5b210e12afd6ecc0