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.
CVSS Details
- CVSS 3.1 Base Score: 7.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Oct 9, 2025 | Oct 9, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Oct 7, 2025 |
| Ubuntu | — | Upgrade linux-ibm-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-oracle-5.15Upgrade linux-hwe-5.15Upgrade linux-lowlatencyUpgrade linux-xilinx-zynqmpUpgrade linux-aws-5.15Upgrade linux-nvidiaUpgrade linux-gkeUpgrade linux-intel-iotgUpgrade linux-azureUpgrade linux-raspiUpgrade linux-nvidia-tegra-5.15Upgrade linux-riscv-5.15Upgrade linux-realtimeUpgrade linux-nvidia-tegraUpgrade linux-ibmUpgrade linux-gkeopUpgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linux-kvmUpgrade linux-nvidia-tegra-igxUpgrade linuxUpgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-gcp-5.15Upgrade linux-azure-5.15Upgrade linux-bluefieldUpgrade linux-oracle | Oct 10, 2025 | Oct 7, 2025 |
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