Android GKI Kernels Use-After-Free

A central recurring theme in Linux MM development is that contention on the mmap lock can have a big negative performance impact on multithreaded workloads: If one thread is holding the mmap lock in exclusive mode for an extended amount of time, other threads will block as soon as they try to...

CVE-2023-52894

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fix potential NULL ptr deref in ncmbitrate In Google internal bug 265639009 we've received an as yet unreproducible crash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code is...

CVE-2023-52894

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fix potential NULL ptr deref in ncmbitrate In Google internal bug 265639009 we've received an as yet unreproducible crash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code is...

CVE-2023-52894 usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate()

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fix potential NULL ptr deref in ncmbitrate In Google internal bug 265639009 we've received an as yet unreproducible crash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code is...

CVE-2023-52894

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fix potential NULL ptr deref in ncmbitrate In Google internal bug 265639009 we've received an as yet unreproducible crash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code is...

CVE-2023-52894 usb: gadget: f_ncm: fix potential NULL ptr deref in ncm_bitrate()

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: fix potential NULL ptr deref in ncmbitrate In Google internal bug 265639009 we've received an as yet unreproducible crash report from an aarch64 GKI 5.10.149-android13 running device. AFAICT the source code is...

CVE-2023-52894

CVE-2023-52894 affects the Linux kernel USB gadget f_ncm path, where a NULL cdev->gadget dereferences max_speed in ncm_bitrate() during SPEED_NOTIFY handling. The issue was observed on an aarch64 GKI 5.10.149-android13 crash (NULL pointer dereference at 0x5c) and is linked to ncm_do_notify() S...

Android GKI Kernels Contain Broken Non-Upstream Speculative Page Faults MM Code Exploit

Android GKI kernels contain broken non-upstream Speculative Page Faults MM code that can lead to multiple use-after-free conditions. Android: GKI kernels contain broken non-upstream Speculative Page Faults MM code A central recurring theme in Linux MM development is that contention on the mmap lo...

CVE-2021-39675

In GKIgetbuf of gkibuffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID:...