usb: xhci: tegra: fix sleep in atomic call
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: xhci: tegra: fix sleep in atomic call When we set the dual-role port to Host mode, we observed the following splat: [ 167.057718] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:229 [ 167.057872] Workqueue: events tegra_xusb_usb_phy_work [ 167.057954] Call trace: [ 167.057962] dump_backtrace+0x0/0x210 [ 167.057996] show_stack+0x30/0x50 [ 167.058020] dump_stack_lvl+0x64/0x84 [ 167.058065] dump_stack+0x14/0x34 [ 167.058100] __might_resched+0x144/0x180 [ 167.058140] __might_sleep+0x64/0xd0 [ 167.058171] slab_pre_alloc_hook.constprop.0+0xa8/0x110 [ 167.058202] __kmalloc_track_caller+0x74/0x2b0 [ 167.058233] kvasprintf+0xa4/0x190 [ 167.058261] kasprintf+0x58/0x90 [ 167.058285] tegra_xusb_find_port_node.isra.0+0x58/0xd0 [ 167.058334] tegra_xusb_find_port+0x38/0xa0 [ 167.058380] tegra_xusb_padctl_get_usb3_companion+0x38/0xd0 [ 167.058430] tegra_xhci_id_notify+0x8c/0x1e0 [ 167.058473] notifier_call_chain+0x88/0x100 [ 167.058506] atomic_notifier_call_chain+0x44/0x70 [ 167.058537] tegra_xusb_usb_phy_work+0x60/0xd0 [ 167.058581] process_one_work+0x1dc/0x4c0 [ 167.058618] worker_thread+0x54/0x410 [ 167.058650] kthread+0x188/0x1b0 [ 167.058672] ret_from_fork+0x10/0x20 The function tegra_xusb_padctl_get_usb3_companion eventually calls tegra_xusb_find_port and this in turn calls kasprintf which might sleep and so cannot be called from an atomic context. Fix this by moving the call to tegra_xusb_padctl_get_usb3_companion to the tegra_xhci_id_work function where it is really needed.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.7 and later | 5.10.178, 5.15.107, 6.1.24, 6.2.11, 6.3 | Patch available | CNA |
- Linux VendorLinux Affected 5.7 and later Fixed in 5.10.178, 5.15.107, 6.1.24, 6.2.11, 6.3 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.7 to before 5.10.178; 5.11 to before 5.15.107; 5.16 to before 6.1.24; 6.2 to before 6.2.11 | 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:6.3:rc3:*:*:*:*:*:* | 6.3 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* | 6.3 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:* | 6.3 rc5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.7 to before 5.10.178; 5.11 to before 5.15.107; 5.16 to before 6.1.24; 6.2 to before 6.2.11 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
- cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* Versions 6.3 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* Versions 6.3 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.3:rc5:*:*:*:*:*:* Versions 6.3 rc5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.178, 5.15.107, 6.1.24, 6.2.11, 6.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53475
- 2026-10-03 Alias added: GHSA-hj96-v5c9-949r
- 2026-11-05 CISA SSVC decision points changed
References
Patch 5
- https://git.kernel.org/stable/c/b4b4f17aa46c025da77aed5133b08971959c9684
- https://git.kernel.org/stable/c/1122474b757a5dd8b2b50008a97f33cdb10dff6e
- https://git.kernel.org/stable/c/130c61c516cd0684282a8f6ab163281d60642fc5
- https://git.kernel.org/stable/c/1fe6015aa92cc0dfd875c1d3c7c1750a1b0767d9
- https://git.kernel.org/stable/c/4c7f9d2e413dc06a157c4e5dccde84aaf4655eb3
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- 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-2023-53475 · CVE Program
- CVE-2023-53475 · NVD
- FIRST EPSS
- GHSA-hj96-v5c9-949r · GitHub Advisory Database · CC BY 4.0
- CVE-2023-53475 · Red Hat security data · CC BY 4.0
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