spmi: Add a check for remove callback when removing a SPMI driver
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: spmi: Add a check for remove callback when removing a SPMI driver When removing a SPMI driver, there can be a crash due to NULL pointer dereference if it does not have a remove callback defined. This is one such call trace observed when removing the QCOM SPMI PMIC driver: dump_backtrace.cfi_jt+0x0/0x8 dump_stack_lvl+0xd8/0x16c panic+0x188/0x498 __cfi_slowpath+0x0/0x214 __cfi_slowpath+0x1dc/0x214 spmi_drv_remove+0x16c/0x1e0 device_release_driver_internal+0x468/0x79c driver_detach+0x11c/0x1a0 bus_remove_driver+0xc4/0x124 driver_unregister+0x58/0x84 cleanup_module+0x1c/0xc24 [qcom_spmi_pmic] __do_sys_delete_module+0x3ec/0x53c __arm64_sys_delete_module+0x18/0x28 el0_svc_common+0xdc/0x294 el0_svc+0x38/0x9c el0_sync_handler+0x8c/0xf0 el0_sync+0x1b4/0x1c0 If a driver has all its resources allocated through devm_() APIs and does not need any other explicit cleanup, it would not require a remove callback to be defined. Hence, add a check for remove callback presence before calling it when removing a SPMI driver.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.15 and later | 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 | Patch available | CNA |
- Linux VendorLinux Affected 3.15 and later Fixed in 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15, 6.3.2, 6.4
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-54044
- 2026-10-03 Alias added: GHSA-vx9r-hw29-38g6
References
Other 9
- https://git.kernel.org/stable/c/b95a69214daea4aab1c8bad96571d988a62e2c97
- https://git.kernel.org/stable/c/699949219e35fe29fd42ccf8cd92c989c3d15109
- https://git.kernel.org/stable/c/54dda732225555dc6d660e95793c54a0a44b612c
- https://git.kernel.org/stable/c/c45ab3ab9c371c9ac22bbe1217e5abb2e55a3d4b
- https://git.kernel.org/stable/c/ee0b6146317a98bfec848d7bde5586beb245a38f
- https://git.kernel.org/stable/c/428cc252701d6864151f3a296ffc23e1e49a7408
- https://git.kernel.org/stable/c/af763c29b9e7040fedd0077bca053b101438a3a4
- https://git.kernel.org/stable/c/0f3ef30c1c05502f5de3b73b3715d5994845c1b4
- https://git.kernel.org/stable/c/b56eef3e16d888883fefab47425036de80dd38fc
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Sources
- CVE-2023-54044 · CVE Program
- CVE-2023-54044 · NVD
- FIRST EPSS
- GHSA-vx9r-hw29-38g6 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-54044 · Red Hat security data · CC BY 4.0
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