CVE-2022-49687 virtio_net: fix xdp_rxq_info bug after suspend/resume

In the Linux kernel, the following vulnerability has been resolved: virtionet: fix xdprxqinfo bug after suspend/resume The following sequence currently causes a driver bug warning when using virtionet: ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem ip link set eth0 dow...

CVE-2022-49532

CVE-2022-49532 affects the Linux kernel DRM virtio driver (virtio_gpu_conn_get_modes) where drm_cvt_mode may return NULL, leading to a NULL pointer dereference. The issue is demonstrated by a KASAN report showing a null deref while reading a 4-byte value from a NULL pointer. The connected advisor...

CVE-2022-49532 drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix NULL pointer dereference in virtiogpuconngetmodes drmcvtmode may return NULL and we should check it. This bug is found by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forcing a failure. name...

CVE-2022-49532 drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix NULL pointer dereference in virtiogpuconngetmodes drmcvtmode may return NULL and we should check it. This bug is found by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forcing a failure. name...

CVE-2022-49532 drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: fix NULL pointer dereference in virtiogpuconngetmodes drmcvtmode may return NULL and we should check it. This bug is found by syzkaller: FAULTINJECTION stacktrace: 168.567394 FAULTINJECTION: forcing a failure. name...

CVE-2022-49146 virtio: use virtio_device_ready() in virtio_device_restore()

In the Linux kernel, the following vulnerability has been resolved: virtio: use virtiodeviceready in virtiodevicerestore After waking up a suspended VM, the kernel prints the following trace for virtio drivers which do not directly call virtiodeviceready in the .restore: PM: suspend exit irq 22:...

CVE-2022-49146

The CVE-2022-49146 entry describes a Linux kernel issue in virtio handling where drivers bypass the enable_cbs callback during virtio_device_restore(), causing suspend-resume traces and potential interrupt handling problems. The root cause is failure to call virtio_device_ready() in restore, so i...

CVE-2022-49146

In the Linux kernel, the following vulnerability has been resolved: virtio: use virtiodeviceready in virtiodevicerestore After waking up a suspended VM, the kernel prints the following trace for virtio drivers which do not directly call virtiodeviceready in the .restore: PM: suspend exit irq 22:...

CVE-2022-49100 virtio_console: eliminate anonymous module_init & module_exit

In the Linux kernel, the following vulnerability has been resolved: virtioconsole: eliminate anonymous moduleinit & moduleexit Eliminate anonymous moduleinit and moduleexit, which can lead to confusion or ambiguity when reading System.map, crashes/oops/bugs, or an initcalldebug log. Give each of...

CVE-2021-47657

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Ensure that objs is not NULL in virtiogpuarrayputfree If virtiogpuobjectshmeminit fails e.g. due to fault injection, as it happened in the bug report by syzbot, virtiogpuarrayputfree could be called with objs equal to...

CVE-2021-47657

CVE-2021-47657: In the Linux kernel, the vulnerability affects drm/virtio by risking a NULL pointer use in virtio_gpu_array_put_free() if virtio_gpu_object_shmem_init() fails. The problem arises when objs is NULL and virtio_gpu_array_put_free() is invoked. The fix is to ensure objs is not NULL in...

CVE-2021-47657 drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Ensure that objs is not NULL in virtiogpuarrayputfree If virtiogpuobjectshmeminit fails e.g. due to fault injection, as it happened in the bug report by syzbot, virtiogpuarrayputfree could be called with objs equal to...

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 anonymous init and exit functions in the virtioconsole module that could lead to obfuscation or ambiguity...

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 an xdprxqinfo error in virtionet after a hang/recovery...

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 a failure to check for empty objs in the virtiogpuarrayputfree function...

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 Linux kernel that stems from the unused virtiodeviceready in virtiodevicerestore...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-7304-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7304-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

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 Linux kernel that stems from not checking the drmcvtmode return value in virtiogpuconngetmodes, which could lead to a null pointer dereferenc...

Security update for qemu

This update for qemu fixes the following issues: CVE-2024-8612: Fixed information leak in virtio devices bsc1230915. CVE-2024-7409: Fixed denial of service via improper synchronization in QEMU NBD Server during socket closure bsc1229007. CVE-2024-3447: Fixed heap buffer overflow in...

PT-2025-25838

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, where virtio-console continues to write to the MMIO even after the underlying virtio-pci device is reset. This issue can cause a...