UBUNTU-CVE-2026-64428

In the Linux kernel, the following vulnerability has been resolved: gpio: sch: use rawspinlockt in the irq startup path schirqunmask enables the GPIO IRQ and then updates the controller state through schirqmaskunmask, which takes sch-lock with spinlockirqsave. The callback can be reached from...

UBUNTU-CVE-2026-64417

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

CVE-2026-64266

In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before returning from fusereffolio fusereffolio unlocks the request but does not re-lock it before returning. fusechanabort can end the request and the async end callback eg fusewritepagefree can free the ar...

CVE-2026-64417 mm: shrinker: fix NULL pointer dereference in debugfs

In the Linux kernel, the following vulnerability has been resolved: mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both "count" and "scan" debugfs files unconditionally. That assumes every shrinker implements both countobjects and scanobjects, which is not...

Libssh: libssh: use-after-free via data callbacks on closed channels

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PT-2026-64638

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the debugfs implementation of the memory management shrinker. The function shrinker debugfs add unconditionally creates count and scan debugfs files,...

Linux Distros Unpatched Vulnerability : CVE-2026-64417

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm: shrinker: fix NULL pointer dereference in debugfs shrinkerdebugfsadd creates both count and scan debugfs files unconditionally. That assumes every shrinker...

DEBIAN-CVE-2026-64211

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

CVE-2026-64251 pwrseq: core: fix use-after-free in pwrseq_debugfs_seq_next()

In the Linux kernel, the following vulnerability has been resolved: pwrseq: core: fix use-after-free in pwrseqdebugfsseqnext pwrseqdebugfsseqnext declares 'next' with freeputdevice, which causes putdevice to be called on the returned pointer when the variable goes out of scope. This results in a...

CVE-2026-64211 srcu: Don't queue workqueue handlers to never-online CPUs

In the Linux kernel, the following vulnerability has been resolved: srcu: Don't queue workqueue handlers to never-online CPUs While an srcustruct structure is in the midst of switching from CPU-0 to all-CPUs state, it can attempt to invoke callbacks for CPUs that have never been online. Worse yet...

SUSE CVE-2026-59850

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

libssh: libssh: use-after-free via data callbacks on closed channels

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-59850

CVE-2026-59850 affects libssh: after a channel is closed, data callbacks can run on freed data, causing use-after-free and crashes. The issue is fixed in libssh 0.11.5; SUSE/OpenSUSE advisories map this CVE to the libssh update to 0.11.5 with related fixes. Affected behavior is use-after-free on ...

CVE-2026-59850 Libssh: libssh: use-after-free via data callbacks on closed channels

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

EUVD-2026-46266

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-59850

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-59850 Libssh: libssh: use-after-free via data callbacks on closed channels

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-59850

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-59850

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions. Mitigation Manually verify the channel is not closed inside your...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the channel data callbacks process when data packets are processed after a channel is closed. An attacker can cause a crash or trigger unintended behavior by sending data packets to a closed channel, resulting in the...