AZL-71353 CVE-2023-53209 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: Fix possible NULL dereference In a call to mac80211hwsimselecttxlink the sta pointer might be NULL, thus need to check that it is not NULL before accessing it...

CVE-2022-50334

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

DEBIAN-CVE-2022-50334

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

AZL-74646 CVE-2022-50327 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpifetchacpidev return value The return value of acpifetchacpidev could be NULL, which would cause a NULL pointer dereference to occur in acpidevicehid. rjw: Subject and changelog edits, added empty...

DEBIAN-CVE-2022-50295

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: Fix NULL pointer dereference in iomsgsendfd Syzkaller produced the below call trace: BUG: KASAN: null-ptr-deref in iomsgring+0x3cb/0x9f0 Write of size 8 at addr 0000000000000070 by task repro/16399 CPU: 0 PID:...

CVE-2022-50276

In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in powersupplygetbatteryinfo when kmalloc fail to allocate memory in kasprintf, propname will be NULL, strcmp called by ofgetproperty will cause null pointer dereference. So return...

UBUNTU-CVE-2023-53223

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Add missing check for allocorderedworkqueue Add check for the return value of allocorderedworkqueue as it may return NULL pointer and cause NULL pointer dereference. Patchwork:...

UBUNTU-CVE-2023-53240

In the Linux kernel, the following vulnerability has been resolved: xsk: check IFFUP earlier in Tx path Xsk Tx can be triggered via either sendmsg or poll syscalls. These two paths share a call to common function xskxmit which has two sanity checks within. A pseudo code example to show the two...

UBUNTU-CVE-2023-53220

In the Linux kernel, the following vulnerability has been resolved: media: az6007: Fix null-ptr-deref in az6007i2cxfer In az6007i2cxfer, msg is controlled by user. When msgi.buf is null and msgi.len is zero, former checks on msgi.buf would be passed. Malicious data finally reach az6007i2cxfer. If...

UBUNTU-CVE-2023-53260

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

CVE-2022-50334 hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

CVE-2023-53260

Technical details for CVE-2023-53260 are not publicly available in the provided documents; monitor for updates.

CVE-2023-53260 ovl: fix null pointer dereference in ovl_permission()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

CVE-2023-53250 firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix null-ptr-deref in dmisysfsregisterhandle KASAN reported a null-ptr-deref error: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 1373 Comm: modprobe Hardware name: QEMU...

CVE-2023-53250 firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix null-ptr-deref in dmisysfsregisterhandle KASAN reported a null-ptr-deref error: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 1373 Comm: modprobe Hardware name: QEMU...

CVE-2023-53246 cifs: fix DFS traversal oops without CONFIG_CIFS_DFS_UPCALL

In the Linux kernel, the following vulnerability has been resolved: cifs: fix DFS traversal oops without CONFIGCIFSDFSUPCALL When compiled with CONFIGCIFSDFSUPCALL disabled, cifsdfsdautomount is NULL. cifs.ko logic for mapping CIFSFATTRDFSREFERRAL attributes to SAUTOMOUNT and corresponding dentry...

CVE-2023-53244

In Linux kernel, the media: pci: tw68 driver vulnerability CVE-2023-53244 fixes a null pointer dereference in buffer handling: if dma_alloc_coherent fails during tw68_risc_buffer(), buf->cpu may be null and later accesses/free could crash. The fix adds checks on the return value of tw68_risc_b...

CVE-2022-50295

CVE-2022-50295: In the Linux kernel io_uring/msg_ring path, a NULL pointer dereference occurs in io_msg_send_fd() when file_ptr is NULL, causing src_file to be NULL and get_file() to dereference a NULL pointer and trigger a crash. The issue was fixed by adding a NULL check in io_msg_send_fd(), pr...

CVE-2023-53240

The CVE-2023-53240 issue concerns the Linux kernel’s xsk path. If a napi id is marked on an interface not brought up, xsk_sendmsg /xsk_poll can call xsk_xmit(), which may dereference a NULL pointers to xs->dev when IFF_UP is not set, causing a kernel NULL pointer dereference. The fix restructu...

CVE-2023-53240 xsk: check IFF_UP earlier in Tx path

In the Linux kernel, the following vulnerability has been resolved: xsk: check IFFUP earlier in Tx path Xsk Tx can be triggered via either sendmsg or poll syscalls. These two paths share a call to common function xskxmit which has two sanity checks within. A pseudo code example to show the two...