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

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

SUSE CVE-2025-38323

In the Linux kernel, the following vulnerability has been resolved: net: atm: add lecmutex syzbot found its way in net/atm/lec.c, and found an error path in lecdattach could leave a dangling pointer in devlec. Add a mutex to protect devlecp uses from lecdattach, lecvccattach and lecmcastattach...

AZL-64938 CVE-2025-38323 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: net: atm: add lecmutex syzbot found its way in net/atm/lec.c, and found an error path in lecdattach could leave a dangling pointer in devlec. Add a mutex to protect devlecp uses from lecdattach, lecvccattach and lecmcastattach...

CVE-2025-38323

In the Linux kernel, the following vulnerability has been resolved: net: atm: add lecmutex syzbot found its way in net/atm/lec.c, and found an error path in lecdattach could leave a dangling pointer in devlec. Add a mutex to protect devlecp uses from lecdattach, lecvccattach and lecmcastattach...

UBUNTU-CVE-2025-38323

In the Linux kernel, the following vulnerability has been resolved: net: atm: add lecmutex syzbot found its way in net/atm/lec.c, and found an error path in lecdattach could leave a dangling pointer in devlec. Add a mutex to protect devlecp uses from lecdattach, lecvccattach and lecmcastattach...

CVE-2025-38323

Summary (CVE-2025-38323): In the Linux kernel, the ATM LECS code path (net/atm/lec.c) had a potential use-after-free due to a path that could leave a dangling pointer in dev_lec[] from lecd_attach(). The patch adds a mutex (lec_mutex) to protect dev_lecp[] uses from lecd_attach(), lec_vcc_attach(...

CVE-2025-38323

In the Linux kernel, the following vulnerability has been resolved: net: atm: add lecmutex syzbot found its way in net/atm/lec.c, and found an error path in lecdattach could leave a dangling pointer in devlec. Add a mutex to protect devlecp uses from lecdattach, lecvccattach and lecmcastattach...

PT-2025-29045

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free issue was identified in the net/atm/lec.c component of the Linux kernel. Specifically, an error path in the lecd attach function could result in a dangling pointer...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the lack of lecmutex protection in the atm/lec driver, which could lead to reuse after release...

SUSE CVE-2025-38245

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

DEBIAN-CVE-2025-38251

In the Linux kernel, the following vulnerability has been resolved: atm: clip: prevent NULL deref in clippush Blamed commit missed that vccdestroysocket calls clippush with a NULL skb. If clipdevs is NULL, clippush then crashes when reading skb-truesize...

AZL-64850 CVE-2025-38245 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

DEBIAN-CVE-2025-38245

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

AZL-72784 CVE-2025-38245 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

UBUNTU-CVE-2025-38245

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

UBUNTU-CVE-2025-38251

In the Linux kernel, the following vulnerability has been resolved: atm: clip: prevent NULL deref in clippush Blamed commit missed that vccdestroysocket calls clippush with a NULL skb. If clipdevs is NULL, clippush then crashes when reading skb-truesize...

CVE-2025-38251

In the Linux kernel, the following vulnerability has been resolved: atm: clip: prevent NULL deref in clippush Blamed commit missed that vccdestroysocket calls clippush with a NULL skb. If clipdevs is NULL, clippush then crashes when reading skb-truesize...

CVE-2025-38245 atm: Release atm_dev_mutex after removing procfs in atm_dev_deregister().

In the Linux kernel, the following vulnerability has been resolved: atm: Release atmdevmutex after removing procfs in atmdevderegister. syzbot reported a warning below during atmdevregister. 0 Before creating a new device and procfs/sysfs for it, atmdevregister looks up a duplicated device by...

PT-2025-28879

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw in the atm subsystem, specifically within the clip push function. A missing check allows clip push to be called with a NULL socket buffer skb by vcc...

SUSE CVE-2025-38185

In the Linux kernel, the following vulnerability has been resolved: atm: atmtcp: Free invalid length skb in atmtcpcsend. syzbot reported the splat below. 0 vccsendmsg copies data passed from userspace to skb and passes it to vcc-dev-ops-send. atmtcpcsend accesses skb-data as struct atmtcphdr afte...