CVE-2022-48986 mm/gup: fix gup_pud_range() for dax

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix guppudrange for dax For dax pud, pudhuge returns true on x86. So the function works as long as hugetlb is configured. However, dax doesn't depend on hugetlb. Commit 414fd080d125 "mm/gup: fix guppmdrange for dax" fixed...

CVE-2022-48986 mm/gup: fix gup_pud_range() for dax

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix guppudrange for dax For dax pud, pudhuge returns true on x86. So the function works as long as hugetlb is configured. However, dax doesn't depend on hugetlb. Commit 414fd080d125 "mm/gup: fix guppmdrange for dax" fixed...

CVE-2022-48986

CVE-2022-48986 is a Linux kernel issue in the memory management path (mm/gup) affecting devmap-backed dax mappings. The vulnerability arises from gup_pud_range() returning true for pud_huge() on x86 when hugetlb is configured, while dax does not depend on hugetlb. The fixes, including commits 414...

CVE-2022-48986 mm/gup: fix gup_pud_range() for dax

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix guppudrange for dax For dax pud, pudhuge returns true on x86. So the function works as long as hugetlb is configured. However, dax doesn't depend on hugetlb. Commit 414fd080d125 "mm/gup: fix guppmdrange for dax" fixed...

CVE-2022-48985 net: mana: Fix race on per-CQ variable napi work_done

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix race on per-CQ variable napi workdone After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, and another CPU can start napi thread and access per-CQ variable, cq-workdone. If the other thread for...

CVE-2022-48985

CVE-2022-48985 : Linux kernel net: mana driver race on per-CQ variable napi_work_done. After napi_complete_done(), NAPI_F_STATE_SCHED may be cleared, letting another CPU run a napi thread and access cq->work_done; if that thread sets it to >= budget, it may continue to run and cause memory ...

CVE-2022-48985 net: mana: Fix race on per-CQ variable napi work_done

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix race on per-CQ variable napi workdone After calling napicompletedone, the NAPIFSTATESCHED bit may be cleared, and another CPU can start napi thread and access per-CQ variable, cq-workdone. If the other thread for...

CVE-2022-48983 io_uring: Fix a null-ptr-deref in io_tctx_exit_cb()

In the Linux kernel, the following vulnerability has been resolved: iouring: Fix a null-ptr-deref in iotctxexitcb Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at addr 0000000000000138 by task file1/1955 CPU: 1 PID: 1955 Comm:...

CVE-2022-48982

CVE-2022-48982 affects the Linux kernel Bluetooth subsystem, specifically CSR fake controllers. The issue arises when a CSR 5.0 clone causes the suspend notifier to be registered twice, which can lead to a kernel panic during Bluetooth device probing (btusb/hci stack). The connected advisories an...

CVE-2022-48982 Bluetooth: Fix crash when replugging CSR fake controllers

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix crash when replugging CSR fake controllers It seems fake CSR 5.0 clones can cause the suspend notifier to be registered twice causing the following kernel panic: 71.986122 Call Trace: 71.986124 71.986125...

CVE-2022-48971 Bluetooth: Fix not cleanup led when bt_init fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix not cleanup led when btinit fails btinit calls btledsinit to register led, but if it fails later, btledscleanup is not called to unregister it. This can cause panic if the argument "bluetooth-power" in text is free...

CVE-2022-48971 Bluetooth: Fix not cleanup led when bt_init fails

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix not cleanup led when btinit fails btinit calls btledsinit to register led, but if it fails later, btledscleanup is not called to unregister it. This can cause panic if the argument "bluetooth-power" in text is free...

CVE-2022-48971

CVE-2022-48971 describes a Linux kernel Bluetooth initialization issue: if bt_init fails after registering an LED via bt_leds_init(), bt_leds_cleanup() may not run, potentially allowing a freed bluetooth-power text to be accessed by later led_trigger_register() calls. The result can be a kernel p...

CVE-2024-50048 fbcon: Fix a NULL pointer dereference issue in fbcon_putcs

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbconputcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param uint8t type; struct tioclselection ts; ; int main struct...

CVE-2024-50048 fbcon: Fix a NULL pointer dereference issue in fbcon_putcs

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbconputcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param uint8t type; struct tioclselection ts; ; int main struct...

CVE-2024-50048 fbcon: Fix a NULL pointer dereference issue in fbcon_putcs

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fix a NULL pointer dereference issue in fbconputcs syzbot has found a NULL pointer dereference bug in fbcon. Here is the simplified C reproducer: struct param uint8t type; struct tioclselection ts; ; int main struct...

CVE-2024-50048

CVE-2024-50048 (Linux kernel fbcon NULL pointer dereference) : A NULL pointer dereference in fbcon_putcs was triggered after using fbcon via FBIOPUT_CON2FBMAP and TIOCLINUX, due to an uninitialized ops->putcs path. Reproducer shows set_con2fb_map -> con2fb_init_display -> fbcon_set_disp ...

CVE-2024-50045 netfilter: br_netfilter: fix panic with metadata_dst skb

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...

CVE-2024-50045

CVE-2024-50045 affects the Linux kernel br_netfilter where a vulnerability in br_nf_dev_queue_xmit can crash when forwarding untagged traffic through a VxLAN bridge port. The root cause is a metadata_dst handling path during fragmentation checks that leads to an invalid skb_dst and a NULL dev, ca...

CVE-2024-50045 netfilter: br_netfilter: fix panic with metadata_dst skb

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...