CVE-2023-52973 vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF

In the Linux kernel, the following vulnerability has been resolved: vcscreen: move load of struct vcdata pointer in vcsread to avoid UAF After a call to consoleunlock in vcsread the vcdata struct can be freed by vcdeallocate. Because of that, the struct vcdata pointer load must be done at the top...

CVE-2022-49760

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix PTE marker handling in hugetlbchangeprotection Patch series "mm/hugetlb: uffd-wp fixes for hugetlbchangeprotection". Playing with virtio-mem and background snapshots using uffd-wp on hugetlb in QEMU, I managed to...

CVE-2022-49759 VMCI: Use threaded irqs instead of tasklets

In the Linux kernel, the following vulnerability has been resolved: VMCI: Use threaded irqs instead of tasklets The vmcidispatchdgs tasklet function calls vmcireaddata which uses waitevent resulting in invalid sleep in an atomic context and therefore potentially in a deadlock. Use threaded irqs t...

CVE-2022-49758

In the Linux kernel, the following vulnerability has been resolved: reset: uniphier-glue: Fix possible null-ptr-deref It will cause null-ptr-deref when resourcesizeres invoked, if platformgetresource returns NULL...

CVE-2022-49757 EDAC/highbank: Fix memory leak in highbank_mc_probe()

In the Linux kernel, the following vulnerability has been resolved: EDAC/highbank: Fix memory leak in highbankmcprobe When devresopengroup fails, it returns -ENOMEM without freeing memory allocated by edacmcalloc. Call edacmcfree on the error handling path to avoid a memory leak. bp: Massage comm...

CVE-2022-49757

CVE-2022-49757 – Linux kernel EDAC highbank memory leak fix . The vulnerability occurs in the highbank MC probe path where, if devres_open_group() fails, memory allocated by edac_mc_alloc() is not freed, causing a memory leak. The provided fixes call edac_mc_free() on the error handling path to p...

CVE-2022-49757

In the Linux kernel, the following vulnerability has been resolved: EDAC/highbank: Fix memory leak in highbankmcprobe When devresopengroup fails, it returns -ENOMEM without freeing memory allocated by edacmcalloc. Call edacmcfree on the error handling path to avoid a memory leak. bp: Massage comm...

CVE-2022-49757 EDAC/highbank: Fix memory leak in highbank_mc_probe()

In the Linux kernel, the following vulnerability has been resolved: EDAC/highbank: Fix memory leak in highbankmcprobe When devresopengroup fails, it returns -ENOMEM without freeing memory allocated by edacmcalloc. Call edacmcfree on the error handling path to avoid a memory leak. bp: Massage comm...

CVE-2022-49754

CVE-2022-49754: Linux kernel Bluetooth mgmt_mesh_add() contains a buffer overflow risk in mgmt_util.c. Smatch indicates mesh_tx->param is 48 bytes while the destination can reach 50 bytes; caller rejects only when len > 50, creating a potential overflow window. Multiple connected sources co...

CVE-2022-49754 Bluetooth: Fix a buffer overflow in mgmt_mesh_add()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix a buffer overflow in mgmtmeshadd Smatch Warning: net/bluetooth/mgmtutil.c:375 mgmtmeshadd error: memcpy 'meshtx-param' too small 48 vs 50 Analysis: 'meshtx-param' is array of size 48. This is the destination. u8...

CVE-2022-49753 dmaengine: Fix double increment of client_count in dma_chan_get()

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

CVE-2022-49753

CVE-2022-49753: In the Linux kernel, dmaengine_dma_chan_get() had a double increment of channel client_count for public channels, causing resources to be freed late or not at all. The issue manifested as a refcount underflow/use-after-free in kernel logs and was observed during repeated module lo...

CVE-2022-49753 dmaengine: Fix double increment of client_count in dma_chan_get()

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

CVE-2022-49753 dmaengine: Fix double increment of client_count in dma_chan_get()

In the Linux kernel, the following vulnerability has been resolved: dmaengine: Fix double increment of clientcount in dmachanget The first time dmachanget is called for a channel the channel clientcount is incorrectly incremented twice for public channels, first in balancerefcount, and again prio...

CVE-2022-49751 w1: fix WARNING after calling w1_process()

In the Linux kernel, the following vulnerability has been resolved: w1: fix WARNING after calling w1process I got the following WARNING message while removing driverds2482: ------------ cut here ------------ do not call blocking ops when !TASKRUNNING; state=1 set at w1process+0x9e/0x1d0 wire...

CVE-2022-49750 cpufreq: CPPC: Add u64 casts to avoid overflowing

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Add u64 casts to avoid overflowing The fields of the CPC object are unsigned 32-bits values. To avoid overflows while using CPC's values, add 'u64' casts...

CVE-2022-49750 cpufreq: CPPC: Add u64 casts to avoid overflowing

In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Add u64 casts to avoid overflowing The fields of the CPC object are unsigned 32-bits values. To avoid overflows while using CPC's values, add 'u64' casts...

CVE-2022-49749

The CVE-2022-49749 issue is confirmed in the Linux kernel’s I2C designware driver. In i2c_dw_scl_lcnt() and i2c_dw_scl_hcnt(), multiplying ic_clk by constant factors could overflow 32-bit arithmetic, depending on ic_clk (e.g., ic_clk > 1 MHz). The patch adds a 64-bit cast (u64) to the calculat...

CVE-2022-49748

CVE-2022-49748 relates to the Linux kernel: perf/x86/amd shift of a 32-bit int constant 1 is computed in 32‑bit arithmetic and then passed as a 64‑bit argument, which can overflow when i ≥ 32. The fix uses the BIT_ULL macro for the shift to avoid overflow. Several connected advisories (Astra Linu...

CVE-2022-49748 perf/x86/amd: fix potential integer overflow on shift of a int

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: fix potential integer overflow on shift of a int The left shift of int 32 bit integer constant 1 is evaluated using 32 bit arithmetic and then passed as a 64 bit function argument. In the case where i is 32 or more...