CVE-2026-23155: Linux kernel · can: gs_usb: gs_usb_receive_bulk_callback(): fix error message
Affects Linux kernelSource CVE Database V5
Not known to be exploited · fixed in aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5 : update Linux kernel when convenient.
Data as of 5 Nov 2026, 23:24 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-11-05.
- Patch
- Available – fixed in aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5, 923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6, 8986cdf52f86208df9c7887fee23365b5d37da26 +6
Exploitation evidence
Disclosed: evidence found.
CVE published 14 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
In the Linux kernel, the following vulnerability has been resolved: can: gs_usb: gs_usb_receive_bulk_callback(): fix error message Sinc commit 79a6d1bfe114 ("can: gs_usb: gs_usb_receive_bulk_callback(): unanchor URL on usb_submit_urb() error") a failing resubmit URB will print an info message. In the case of a short read where netdev has not yet been assigned, initialize as NULL to avoid dereferencing an undefined value. Also report the error value of the failed resubmit.
References
- git.kernel.org/stable/c/7a431df418ee6b79841e0b4c7c265a791e3d0a75 (opens in a new tab)
- git.kernel.org/stable/c/aed58a28ea71a0d7d0947190fab1e3f4daa1d4a5 (opens in a new tab)
- git.kernel.org/stable/c/923379f1d7e3af8ccbf11edbbcf41f1bb3e9cfe6 (opens in a new tab)
- git.kernel.org/stable/c/8986cdf52f86208df9c7887fee23365b5d37da26 (opens in a new tab)
- git.kernel.org/stable/c/713ba826ae114ab339c9a1b31e209bebdadb0ac9 (opens in a new tab)
- git.kernel.org/stable/c/494fc029f662c331e06b7c2031deff3c64200eed (opens in a new tab)