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The vulnerability of the `ucan_read_bulk_callback()` function in the `drivers/net/can/usb/ucan.c` file of the Linux kernel’s CAN network device driver allows a attacker to cause a service failure.

🗓️ 25 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 13 Views

Uncontrolled resource consumption in ucan_read_bulk_callback() enables DoS in Linux CAN USB driver.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23298
25 Mar 202610:26
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1
14 Sep 202612:41
–astralinux
cbl_mariner
CBLMariner
CVE-2026-23298 affecting package kernel for versions less than 6.6.130.1-1
30 Mar 202616:12
–cbl_mariner
circl
Circl
CVE-2026-23298
29 Mar 202617:00
–circl
cnnvd
CNNVD
Linux kernel 安全漏洞
25 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-23298
25 Mar 202610:26
–cve
cvelist
Cvelist
CVE-2026-23298 can: ucan: Fix infinite loop from zero-length messages
25 Mar 202610:26
–cvelist
debian
Debian
[SECURITY] [DLA 4561-1] linux-6.1 security update
2 May 202608:40
–debian
debian
Debian
[SECURITY] [DLA 4606-1] linux security update
29 May 202616:36
–debian
debian
Debian
[SECURITY] [DSA 6238-1] linux security update
30 Apr 202620:05
–debian
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07 Sep 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 24.6
CVSS 35.5
EPSS0.00123
13