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

wifi: at76c50x: fix use after free access in at76_disconnect

The memory pointed to by priv is freed at the end of at76_delete_device
function (using ieee80211_free_hw). But the code then accesses the udev
field of the freed object to put the USB device. This may also lead to a
memory leak of the usb device. Fix this by using udev from interface.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00061.

Key SSVC decision points have not yet been added.

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 Linux unaffected
Version Status Constraints
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< c731cdfddcf1be1590d5ba8c9b508f98e3a2b3d6
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 6e4ab3e574c2a335b40fa1f70d1c54fcb58ab33f
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 3c619aec1f538333b56746d2f796aab1bca5c9a5
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 5e7df74745700f059dc117a620e566964a2e8f2c
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 7ca513631fa6ad3011b8b9197cdde0f351103704
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< a9682bfef2cf3802515a902e964d774e137be1b9
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 152721cbae42713ecfbca6847e0f102ee6b19546
29e20aa6c6aff35c81d4da2e2cd516dadb569061 affected
< 27c7e63b3cb1a20bb78ed4a36c561ea4579fd7da
Linux Linux affected
Version Status Constraints
3.17 affected
—
0 unaffected
< 3.17
5.4.293 unaffected
≤ 5.4.*
5.10.237 unaffected
≤ 5.10.*
5.15.181 unaffected
≤ 5.15.*
6.1.135 unaffected
≤ 6.1.*
6.6.88 unaffected
≤ 6.6.*
6.12.25 unaffected
≤ 6.12.*
6.14.4 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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*

No data.

No data.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4178-1 linux security update
Debian DLA Debian DLA DLA-4193-1 linux-6.1 security update
EUVD EUVD EUVD-2025-13020 In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then accesses the udev field of the freed object to put the USB device. This may also lead to a memory leak of the usb device. Fix this by using udev from interface.
Ubuntu USN Ubuntu USN USN-7594-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7594-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-7594-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7654-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-7654-2 Linux kernel (Real-time) vulnerabilities
Ubuntu USN Ubuntu USN USN-7654-3 Linux kernel (FIPS) vulnerabilities
Ubuntu USN Ubuntu USN USN-7654-4 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-7654-5 Linux kernel (Xilinx ZynqMP) vulnerabilities
Ubuntu USN Ubuntu USN USN-7655-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-7686-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-7711-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-7712-1 Linux kernel (Azure FIPS) vulnerabilities
Ubuntu USN Ubuntu USN USN-7712-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-2 Linux kernel (Real-time) vulnerabilities
Ubuntu USN Ubuntu USN USN-8031-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-3 Linux kernel (Real-time) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-4 Linux kernel (FIPS) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-5 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8031-2 Linux kernel (GCP FIPS) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-6 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-8031-3 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-8052-1 Linux kernel (Low Latency) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-7 Linux kernel (Low Latency NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-8028-8 Linux kernel (IBM) vulnerabilities
Ubuntu USN Ubuntu USN USN-8052-2 Linux kernel (Xilinx) vulnerabilities
Ubuntu USN Ubuntu USN USN-8074-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-8074-2 Linux kernel (Azure FIPS) vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/152721cbae42713ecfbca6847e0f102ee6b19546 cve-icon cve-icon
https://git.kernel.org/stable/c/27c7e63b3cb1a20bb78ed4a36c561ea4579fd7da cve-icon cve-icon
https://git.kernel.org/stable/c/3c619aec1f538333b56746d2f796aab1bca5c9a5 cve-icon cve-icon
https://git.kernel.org/stable/c/5e7df74745700f059dc117a620e566964a2e8f2c cve-icon cve-icon
https://git.kernel.org/stable/c/6e4ab3e574c2a335b40fa1f70d1c54fcb58ab33f cve-icon cve-icon
https://git.kernel.org/stable/c/7ca513631fa6ad3011b8b9197cdde0f351103704 cve-icon cve-icon
https://git.kernel.org/stable/c/a9682bfef2cf3802515a902e964d774e137be1b9 cve-icon cve-icon
https://git.kernel.org/stable/c/c731cdfddcf1be1590d5ba8c9b508f98e3a2b3d6 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html cve-icon
https://lore.kernel.org/linux-cve-announce/2025050122-CVE-2025-37796-d6f9@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-37796 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-37796 cve-icon
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Fri, 31 Oct 2025 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-416
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:3.17:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
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': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Fri, 02 May 2025 14:45:00 +0000

Type Values Removed Values Added
References
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

Moderate

Fri, 02 May 2025 06:30:00 +0000

Type Values Removed Values Added
References

Thu, 01 May 2025 13:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x: fix use after free access in at76_disconnect The memory pointed to by priv is freed at the end of at76_delete_device function (using ieee80211_free_hw). But the code then accesses the udev field of the freed object to put the USB device. This may also lead to a memory leak of the usb device. Fix this by using udev from interface.
Title wifi: at76c50x: fix use after free access in at76_disconnect
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-11-03T19:55:25.591Z

Reserved: 2025-04-16T04:51:23.941Z

Link: CVE-2025-37796

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2025-05-01T14:15:44.173

Modified: 2025-11-03T20:18:35.430

Link: CVE-2025-37796

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-05-01T00:00:00Z

Links: CVE-2025-37796 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses