nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition This bug influences both st_nci_i2c_remove and st_nci_spi_remove. Take st_nci_i2c_remove as an example. In st_nci_i2c_probe, it called ndlc_probe and bound &ndlc->sm_work with llt_ndlc_sm_work. When it calls ndlc_recv or timeout handler, it will finally call schedule_work to start the work. When we call st_nci_i2c_remove to remove the driver, there may be a sequence as follows: Fix it by finishing the work before cleanup in ndlc_remove CPU0 CPU1 |llt_ndlc_sm_work st_nci_i2c_remove | ndlc_remove | st_nci_remove | nci_free_device| kfree(ndev) | //free ndlc->ndev | |llt_ndlc_rcv_queue |nci_recv_frame |//use ndlc->ndev
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 | 3.17 and later | 4.14.311, 4.19.279, 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3 | Patch available | CNA |
- Linux VendorLinux Affected 3.17 and later Fixed in 4.14.311, 4.19.279, 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.17 to before 4.14.311; 4.15 to before 4.19.279; 4.20 to before 5.4.238; 5.5 to before 5.10.176; 5.11 to before 5.15.104; 5.16 to before 6.1.21; 6.2 to before 6.2.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* | 6.3 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* | 6.3 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.17 to before 4.14.311; 4.15 to before 4.19.279; 4.20 to before 5.4.238; 5.5 to before 5.10.176; 5.11 to before 5.15.104; 5.16 to before 6.1.21; 6.2 to before 6.2.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* Versions 6.3 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* Versions 6.3 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.311, 4.19.279, 5.4.238, 5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3
Vendor assessments
Red Hat
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-2023-53106
- 2026-10-03 Alias added: GHSA-p87r-cpqc-f6r9
References
Patch 8
- https://git.kernel.org/stable/c/2156490c4b7cacda9a18ec99929940b8376dc0e3
- https://git.kernel.org/stable/c/3405eb641dafcc8b28d174784b203c1622c121bf
- https://git.kernel.org/stable/c/b0c202a8dc63008205a5d546559736507a9aae66
- https://git.kernel.org/stable/c/43aa468df246175207a7d5d7d6d31b231f15b49c
- https://git.kernel.org/stable/c/84dd9cc34014e3a3dcce0eb6d54b8a067e97676b
- https://git.kernel.org/stable/c/5e331022b448fbc5e76f24349cd0246844dcad25
- https://git.kernel.org/stable/c/f589e5b56c562d99ea74e05b1c3f0eab78aa17a3
- https://git.kernel.org/stable/c/5000fe6c27827a61d8250a7e4a1d26c3298ef4f6
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-53106 · CVE Program
- CVE-2023-53106 · NVD
- FIRST EPSS
- GHSA-p87r-cpqc-f6r9 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53106 · Red Hat security data · CC BY 4.0
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