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kernel: net: atm: fix use after free in lec_send()

🗓️ 17 Jul 2025 09:35:41Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Kernel fix for use after free in lec_send by saving socket buffer length before calling send.

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Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2025-100)
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Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2025:10379)
11 Jul 202500:00
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Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2025:11298)
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Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2025:11299)
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Tenable Nessus		Azure Linux 3.0 Security Update: kernel (CVE-2025-22004)
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Tenable Nessus		Debian dla-4178 : ata-modules-5.10.0-34-armmp-di - security update
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Tenable Nessus		Debian dla-4193 : linux-config-6.1 - security update
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64kernel-rt0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-debug-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-debuginfo0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-debug-debuginfo-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debug-devel0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-debug-devel-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-debuginfo-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-debuginfo-common-x86_640:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-debuginfo-common-x86_64-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-devel0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-devel-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7anykernel-rt-doc0:3.10.0-1160.136.1.rt56.1288.el7.noarchkernel-rt-doc-0:3.10.0-1160.136.1.rt56.1288.el7.noarch.noarch.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-trace-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
Red Hat Enterprise Linux7x86_64kernel-rt-trace-debuginfo0:3.10.0-1160.136.1.rt56.1288.el7kernel-rt-trace-debuginfo-0:3.10.0-1160.136.1.rt56.1288.el7.x86_64.rpm
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30 Jun 2026 03:30Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.8
EPSS0.00194
SSVC
CWE-416
Linux kerneluse after freelec sendsocket buffer lengthasynchronous transfer mode
8