CVE-2021-47533 drm/vc4: kms: Clear the HVS FIFO commit pointer once done

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: kms: Clear the HVS FIFO commit pointer once done Commit 9ec03d7f1ed3 "drm/vc4: kms: Wait on previous FIFO users before a commit" introduced a wait on the previous commit done on a given HVS FIFO. However, we never cleare...

CVE-2021-47533

CVE-2021-47533 affects the Linux kernel drm/vc4: kms path. A use-after-free could occur when duplicating state due to a stale HVS FIFO commit pointer not being cleared after waiting on the previous FIFO user. The fix sets the HVS FIFO commit pointer to NULL once the wait completes to prevent carr...

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, which originates from a memory leak in the error branch of the can:mcan:mcanreadfifo module...

pam: allowing unprivileged user to block another user namespace

A vulnerability was found in Linux PAM. An unprivileged user that is not yet in a corresponding mount namespace with /tmp mounted as a polyinstantiated dir can place a FIFO there, and a subsequent attempt to login as this user with pamnamespace configured will cause the openat in protectdir to...

DEBIAN-CVE-2021-47418

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...

UBUNTU-CVE-2021-47418

In the Linux kernel, the following vulnerability has been resolved: netsched: fix NULL deref in fifosetlimit syzbot reported another NULL deref in fifosetlimit 1 I could repro the issue with : unshare -n tc qd add dev lo root handle 1:0 tbf limit 200000 burst 70000 rate 100Mbit tc qd replace dev ...

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 the presence of a null pointer dereference in the netsched module fifosetlimit...

CVE-2024-35971

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Handle softirqs at the end of IRQ thread to fix hang The ks8851irq thread may call ks8851rxpkts in case there are any packets in the MAC FIFO, which calls netifrx. This netifrx implementation is guarded by...

CVE-2024-35971

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Handle softirqs at the end of IRQ thread to fix hang The ks8851irq thread may call ks8851rxpkts in case there are any packets in the MAC FIFO, which calls netifrx. This netifrx implementation is guarded by...

The vulnerability of the sdhci_write_dataport function in the QEMU hardware emulation software allows a hacker to cause a service failure.

The vulnerability of the sdhciwritedataport function in the QEMU hardware emulation software is related to overflow in the queue, caused by the parameters s-datacount and s-fifobuffer. Exploiting this vulnerability can allow a hacker to cause a service failure...

OESA-2024-1494 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like stack overflow or...

The vulnerability of the `esp_do_nodma` function in the `hw/scsi/esp.c` file of the QEMU hardware emulation software allows a hacker to cause a service failure.

The vulnerability of the espdonodma function in the hw/scsi/esp.c file of the QEMU hardware emulation software is related to a buffer overflow condition caused by the TI command. This occurs when the expected transfer length without DMA is less than the available data in the FIFO. Exploiting this...

OESA-2024-1422 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI command when an expected non-DMA transfer length is less than the length of the available FIFO data. Th...

SUSE CVE-2023-52634

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

CVE-2023-52634

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

DEBIAN-CVE-2023-52634

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

UBUNTU-CVE-2023-52634

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

CVE-2023-52634 drm/amd/display: Fix disable_otg_wa logic

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

CVE-2023-52634 drm/amd/display: Fix disable_otg_wa logic

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix disableotgwa logic Why When switching to another HDMI mode, we are unnecesarilly disabling/enabling FIFO causing both HPO and DIG registers to be set at the same time when only HPO is supposed to be set. This...

CVE-2023-52634

Summary (CVE-2023-52634) : In the Linux kernel, the DRM/AMD display driver had a logic issue in the disable_otg_wa path that could cause a system hang during HDMI mode switches due to simultaneous FIFO/HPO state changes. The root cause was that enabling/disabling FIFO could affect multiple regist...