USB: iowarrior: fix use-after-free on disconnect
Priority LOW 33CWE-416Published · Updated
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
- Partial Red Hat: 5 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: USB: iowarrior: fix use-after-free on disconnect Submitted write URBs are not stopped on close() and therefore need to be stopped unconditionally on disconnect() to avoid use-after-free in the completion handler.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00126 2nd percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.261, 5.15.212, 6.1.178 +5Red Hat: 5 without a fix
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 | 2.6.21 and later | 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4, 7.2 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.21 and later Fixed in 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4, 7.2 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.21.1 to before 5.10.261; 5.11 to before 5.15.212; 5.16 to before 6.1.178; 6.2 to before 6.6.145; 6.7 to before 6.12.96; 6.13 to before 6.18.39; 6.19 to before 7.1.4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:-:*:*:*:*:*:* | 2.6.21 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:* | 2.6.21 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:* | 2.6.21 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:* | 2.6.21 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:* | 2.6.21 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc6:*:*:*:*:*:* | 2.6.21 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:2.6.21:rc7:*:*:*:*:*:* | 2.6.21 rc7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:7.2:rc1:*:*:*:*:*:* | 7.2 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:7.2:rc2:*:*:*:*:*:* | 7.2 rc2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.21.1 to before 5.10.261; 5.11 to before 5.15.212; 5.16 to before 6.1.178; 6.2 to before 6.6.145; 6.7 to before 6.12.96; 6.13 to before 6.18.39; 6.19 to before 7.1.4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:-:*:*:*:*:*:* Versions 2.6.21 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc2:*:*:*:*:*:* Versions 2.6.21 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc3:*:*:*:*:*:* Versions 2.6.21 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:* Versions 2.6.21 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc5:*:*:*:*:*:* Versions 2.6.21 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc6:*:*:*:*:*:* Versions 2.6.21 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:2.6.21:rc7:*:*:*:*:*:* Versions 2.6.21 rc7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:7.2:rc1:*:*:*:*:*:* Versions 7.2 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:7.2:rc2:*:*:*:*:*:* Versions 7.2 rc2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.96, 6.18.39, 7.1.4, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-64342
- 2026-10-03 Alias added: GHSA-9px5-jvx8-8qgx
- 2026-10-13 Affected versions changed · Red Hat
- 2026-11-06 CISA SSVC decision points changed
References
Patch 8
- https://git.kernel.org/stable/c/d058d377291567b72aea33b017215cbfb383b0ad
- https://git.kernel.org/stable/c/a7bbe946ca3a6eeb6f364d5e84b05e02c7c0d595
- https://git.kernel.org/stable/c/97ad9337127be04ca0b027c2b01e69302353f404
- https://git.kernel.org/stable/c/164398601a7f160bc3df1efa454f983302cef03f
- https://git.kernel.org/stable/c/f328b0e9a0dbd162f5db1b83026b689f2fea2241
- https://git.kernel.org/stable/c/b748f97aff339e7f08dca9cf38a05b980fb66fea
- https://git.kernel.org/stable/c/e4596816984efc537e7c04c1af0c639394f967f7
- https://git.kernel.org/stable/c/bc0e4f16c44e50daa0b1ea729934baa3b4815dee
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-2026-64342 · CVE Program
- CVE-2026-64342 · NVD
- FIRST EPSS
- GHSA-9px5-jvx8-8qgx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-64342 · Red Hat security data · CC BY 4.0
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