Null pointer dereference

A null pointer dereference vulnerability exists in the handleioctl8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet IRP can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability...

CVE-2022-43589

CVE-2022-43589 concerns Callback Technologies CBFS Filter 20.0.8317. Talos details a null pointer dereference in the handle_ioctl_8314C IOCTL path; an IRP with IOCTL 0x8314C can trigger a denial of service. The root cause is a null dereference in the IO stack handling when CurrentStackLocation an...

CVE-2022-43589

A null pointer dereference vulnerability exists in the handleioctl8314C functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet IRP can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability...

CVE-2022-43588

A null pointer dereference vulnerability exists in the handleioctl83150 functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet IRP can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability...

CVE-2022-43588

A null pointer dereference vulnerability exists in the handleioctl83150 functionality of Callback technologies CBFS Filter 20.0.8317. A specially crafted I/O request packet IRP can lead to denial of service. An attacker can issue an ioctl to trigger this vulnerability...

CVE-2022-43588

CVE-2022-43588 is a null pointer dereference in Callback Technologies CBFS Filter 20.0.8317, specifically in handle_ioctl_83150. A specially crafted IRP can trigger a local denial of service by exploiting a missing null check on FileObject before dereferencing FileObject->FsContext2, leading t...

PT-2022-26980 · Callback Technologies · Cbfs Filter

Name of the Vulnerable Software and Affected Versions: Callback technologies CBFS Filter version 20.0.8317 Description: A null pointer dereference issue exists in the handle ioctl 0x830a0 systembuffer functionality. This can be triggered by a specially crafted I/O request packet IRP, leading to...

Vulnerability Spotlight: Callback Technologies CBFS Filter denial-of-service vulnerabilities

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered three denial-of-service vulnerabilities in Callback Technologies CBFS Filter. Callback Technologies has a CBFS file storage solution for use in customizing data persistence on devices. To accompany...

Callback technologies CBFS Filter handle_ioctl_0x830a0_systembuffer null pointer dereference vulnerability

Talos Vulnerability Report TALOS-2022-1649 Callback technologies CBFS Filter handleioctl0x830a0systembuffer null pointer dereference vulnerability November 22, 2022 CVE Number CVE-2022-43590 SUMMARY A null pointer dereference vulnerability exists in the handleioctl0x830a0systembuffer functionalit...

Callback technologies CBFS Filter handle_ioctl_83150 null pointer dereference vulnerability

Talos Vulnerability Report TALOS-2022-1647 Callback technologies CBFS Filter handleioctl83150 null pointer dereference vulnerability November 22, 2022 CVE Number CVE-2022-43588 SUMMARY A null pointer dereference vulnerability exists in the handleioctl83150 functionality of Callback technologies...

SUSE SLES12: kernel-livepatch-4_12_14-150100_197_111-default / etc (SUSE-SU-2022:4112-1)

The remote SUSE Linux SLES12 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4112-1 advisory. This update for the Linux Kernel 4.12.14-122103 fixes several issues. The following security issues were fixed: - CVE-2021-33655: Fixe...

SUSE SLES15 Security Update : kernel (Live Patch 1 for SLE 15 SP4) (SUSE-SU-2022:4035-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4035-1 advisory. This update for the Linux Kernel 5.14.21-1504002411 fixes several issues. The following security issues were fixed: - CVE-2021-33655: Fixed out...

kernel: ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix potential AB/BA lock with buffermutex and mmaplock syzbot caught a potential deadlock between the PCM runtime-buffermutex and the mm-mmaplock. It was brought by the recent fix to cover the racy read/write and other...

kernel: concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources

A use-after-free vulnerability was found in drmleaseheld in drivers/gpu/drm/drmlease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service DoS or a kernel information leak...

kernel: KVM: NULL pointer dereference in kvm_irq_delivery_to_apic_fast()

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

kernel: KVM: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

kernel: dm ioctl: prevent potential spectre v1 gadget

A vulnerability was found in the Linux kernel's dm-ioctl interface in the lookupioctl function, which accepts a user-provided cmd value that is used to index the ioctls array directly. This issue could lead to an out-of-bounds access if the CPU speculatively executes the array access before cmd i...

kernel: smb2_ioctl_query_info NULL pointer dereference

A denial of service DOS issue was found in the Linux kernel’s smb2ioctlqueryinfo function in the fs/cifs/smb2ops.c Common Internet File System CIFS due to an incorrect return from the memdupuser function. This flaw allows a local, privileged CAPSYSADMIN attacker to crash the system...

kernel: concurrency use-after-free between drm_setmaster_ioctl and drm_mode_getresources

A use-after-free vulnerability was found in drmleaseheld in drivers/gpu/drm/drmlease.c in the Linux kernel due to a race problem. This flaw allows a local user privilege attacker to cause a denial of service DoS or a kernel information leak...

kernel: KVM: NULL pointer dereference in kvm_irq_delivery_to_apic_fast()

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...