CVE-2026-43333

In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...

CVE-2026-43333

CVE-2026-43333 (Linux kernel BPF): The vulnerability arises from direct dereference of nullable PTR_TO_BUF pointers in check_mem_access(), where PTR_TO_BUF is matched via base_type() after PTR_MAYBE_NULL stripping, allowing NULL dereferences in map iterators ctx->key/value (NULL on stop callba...

CVE-2026-43333 bpf: reject direct access to nullable PTR_TO_BUF pointers

In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...

CVE-2026-43313

CVE-2026-43313 relates to a NULL-pointer dereference in the ACPI processor driver (acpi_processor_errata_piix4) of the Linux kernel. The code first assigns an IDE device to dev, then overwrites it with an ISA device using two successive pci_get_subsys lookups. If the first lookup succeeds but the...

CVE-2026-43313

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4 In acpiprocessorerratapiix4, the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pcigetsubsys...,...

CVE-2026-43313

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4 In acpiprocessorerratapiix4, the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pcigetsubsys...,...

CVE-2026-43313 ACPI: processor: Fix NULL-pointer dereference in acpi_processor_errata_piix4()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4 In acpiprocessorerratapiix4, the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pcigetsubsys...,...

CVE-2026-43313 ACPI: processor: Fix NULL-pointer dereference in acpi_processor_errata_piix4()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Fix NULL-pointer dereference in acpiprocessorerratapiix4 In acpiprocessorerratapiix4, the pointer dev is first assigned an IDE device and then reassigned an ISA device: dev = pcigetsubsys...,...

CVE-2026-43300 drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi_remove()

In the Linux kernel, the following vulnerability has been resolved: drm/panel: Fix a possible null-pointer dereference in jdipaneldsiremove In jdipaneldsiremove, jdi is explicitly checked, indicating that it may be NULL: if !jdi mipidsidetachdsi; However, when jdi is NULL, the function does not...

CVE-2026-43300 drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi_remove()

In the Linux kernel, the following vulnerability has been resolved: drm/panel: Fix a possible null-pointer dereference in jdipaneldsiremove In jdipaneldsiremove, jdi is explicitly checked, indicating that it may be NULL: if !jdi mipidsidetachdsi; However, when jdi is NULL, the function does not...

CVE-2026-43300

In the Linux kernel, the following vulnerability has been resolved: drm/panel: Fix a possible null-pointer dereference in jdipaneldsiremove In jdipaneldsiremove, jdi is explicitly checked, indicating that it may be NULL: if !jdi mipidsidetachdsi; However, when jdi is NULL, the function does not...

CVE-2026-43300

CVE-2026-43300 affects the Linux kernel DRM panel code, specifically a NULL-pointer dereference in jdi_panel_dsi_remove(). When jdi is NULL, the function can proceed to call jdi_panel_disable(), which dereferences jdi unconditionally, causing a crash. The advisory shows the fix: return early from...

CVE-2026-43300

In the Linux kernel, the following vulnerability has been resolved: drm/panel: Fix a possible null-pointer dereference in jdipaneldsiremove In jdipaneldsiremove, jdi is explicitly checked, indicating that it may be NULL: if !jdi mipidsidetachdsi; However, when jdi is NULL, the function does not...

CVE-2026-43295 rapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net()

In the Linux kernel, the following vulnerability has been resolved: rapidio: replace riofreenet with kfree in rioscanallocnet When idtab allocation fails, net is not registered with rioaddnet yet, so kfreenet is sufficient to release the memory. Set mport-net to NULL to avoid dangling pointer...

CLSA-2026-1778061272 openssl: Fix of CVE-2026-28388

CVE-2026-28388: fix NULL pointer dereference in checkdeltabase when delta CRL lacks CRL Number extension...

CVE-2026-43864

A flaw was found in mutt. This vulnerability, a null pointer dereference in the showsigsummary function, could allow an attacker to cause a denial of service. This occurs when processing specially crafted input related to signature summaries. Mitigation Mitigation for this issue is either not...

Advisory ROSA-SA-2026-3264

Software: kernel 4.18.0 OS: ROSA Virtualization 3.1 unaffected versions = kernel-4.18.0-553.123.1.el810 affected versions lock, allowing a local attacker to cause a denial of service or execute arbitrary code when frequently switching a thread simultaneously with opening/closing a related...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Obtaining inteldisplay from the encoder to avoid potential issues. Obtain inteldisplay from “encoder” instead of “state” within the encoder hooks. This avoids the problematic behavior caused by intelsanitizeencoder, whi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: cifs: Remove all cifs files before killing the superuser. CIFS files may be removed during the umount process for cifs. After umount is completed, cifsFileInfoPutFinal is called, which causes the following bug: BUG: Kernel NULL...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: - rxrpc: rxrpcverifydata ensures that the rxdecbuffer is allocated. rxrpcrecvmsgdata calls rxrpcverifydata whenever the rxrpccall.rxdecbuffer is not allocated. It assumes that upon a successful return, the rxdecbuffer must be...