cbcvebase.
CVE-2023-53640
published 2025-10-07

CVE-2023-53640: In the Linux kernel, the following vulnerability has been resolved: ASoC: lpass: Fix for KASAN use_after_free out of bounds When we run syzkaller we get below…

PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.19%
9.4th percentile
In the Linux kernel, the following vulnerability has been resolved: ASoC: lpass: Fix for KASAN use_after_free out of bounds When we run syzkaller we get below Out of Bounds error. "KASAN: slab-out-of-bounds Read in regcache_flat_read" Below is the backtrace of the issue: BUG: KASAN: slab-out-of-bounds in regcache_flat_read+0x10c/0x110 Read of size 4 at addr ffffff8088fbf714 by task syz-executor.4/14144 CPU: 6 PID: 14144 Comm: syz-executor.4 Tainted: G W Hardware name: Qualcomm Technologies, Inc. sc7280 CRD platform (rev5+) (DT) Call trace: dump_backtrace+0x0/0x4ec show_stack+0x34/0x50 dump_stack_lvl+0xdc/0x11c print_address_description+0x30/0x2d8 kasan_report+0x178/0x1e4 __asan_report_load4_noabort+0x44/0x50 regcache_flat_read+0x10c/0x110 regcache_read+0xf8/0x5a0 _regmap_read+0x45c/0x86c _regmap_update_bits+0x128/0x290 regmap_update_bits_base+0xc0/0x15c snd_soc_component_update_bits+0xa8/0x22c snd_soc_component_write_field+0x68/0xd4 tx_macro_put_dec_enum+0x1d0/0x268 snd_ctl_elem_write+0x288/0x474 By Error checking and checking valid values issue gets rectifies.

Affected

13 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.37-1 (bookworm)linux 6.1.37-1 (bookworm)
linuxlinux
linuxlinux>= c39667ddcfc516fee084e449179d54430a558298 < 8f1512d78b5de928f4616a871e77b58fd546e6518f1512d78b5de928f4616a871e77b58fd546e651
linuxlinux>= c39667ddcfc516fee084e449179d54430a558298 < 8d81d3b0ed3610d24191d24f8e9e20f6775f0cc58d81d3b0ed3610d24191d24f8e9e20f6775f0cc5
linuxlinux>= c39667ddcfc516fee084e449179d54430a558298 < f5e61e3fe799ba2fda4320af23d26d28c3302045f5e61e3fe799ba2fda4320af23d26d28c3302045
linuxlinux>= c39667ddcfc516fee084e449179d54430a558298 < 75e5fab7db0cecb6e16b22c34608f0b40a4c7cd175e5fab7db0cecb6e16b22c34608f0b40a4c7cd1
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.1.37-16.1.37-1
linuxlinux_kernel>= 0 < 6.3.7-16.3.7-1
linuxlinux_kernel>= 0 < 6.3.7-16.3.7-1
linuxlinux_kernel>= 5.12 < 5.15.1145.15.114
linuxlinux_kernel>= 5.16 < 6.1.316.1.31
linuxlinux_kernel>= 6.2 < 6.3.56.3.5

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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