Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-23075— can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak

EPSS 0.02% · P5
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-23075

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: can: esd_usb: esd_usb_read_bulk_callback(): fix URB memory leak Fix similar memory leak as in commit 7352e1d5932a ("can: gs_usb: gs_usb_receive_bulk_callback(): fix URB memory leak"). In esd_usb_open(), the URBs for USB-in transfers are allocated, added to the dev->rx_submitted anchor and submitted. In the complete callback esd_usb_read_bulk_callback(), the URBs are processed and resubmitted. In esd_usb_close() the URBs are freed by calling usb_kill_anchored_urbs(&dev->rx_submitted). However, this does not take into account that the USB framework unanchors the URB before the complete function is called. This means that once an in-URB has been completed, it is no longer anchored and is ultimately not released in esd_usb_close(). Fix the memory leak by anchoring the URB in the esd_usb_read_bulk_callback() to the dev->rx_submitted anchor.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未正确锚定URB，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 96d8e90382dc336b5de401164597edfdc2e8d9f1 ~ 93b34d4ba7266030801a509c088ac77c0d7a12e9 -
LinuxLinux 2.6.36 -

II. Public POCs for CVE-2026-23075

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-23075

请登录查看更多情报信息。

Same Patch Batch · Linux · 2026-02-04 · 79 CVEs total

CVE-2026-230988.8 HIGHnetrom: fix double-free in nr_route_frame()
CVE-2026-230777.8 HIGHmm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
CVE-2026-230747.8 HIGHnet/sched: Enforce that teql can only be used as root qdisc
CVE-2026-231037.8 HIGHipvlan: Make the addrs_lock be per port
CVE-2026-230667.8 HIGHrxrpc: Fix recvmsg() unconditional requeue
CVE-2026-231057.8 HIGHnet/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag
CVE-2026-230957.5 HIGHgue: Fix skb memleak with inner IP protocol 0.
CVE-2026-23063uacce: ensure safe queue release with state management
CVE-2026-23061can: kvaser_usb: kvaser_usb_read_bulk_callback(): fix URB memory leak
CVE-2026-23062platform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro
CVE-2026-23064net/sched: act_ife: avoid possible NULL deref
CVE-2026-23058can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak
CVE-2026-23057vsock/virtio: Coalesce only linear skb
CVE-2026-23056uacce: implement mremap in uacce_vm_ops to return -EPERM
CVE-2025-71199iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver
CVE-2025-71198iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection
CVE-2025-71197w1: therm: Fix off-by-one buffer overflow in alarms_store
CVE-2026-23055i2c: riic: Move suspend handling to NOIRQ phase
CVE-2026-23053NFS: Fix a deadlock involving nfs_release_folio()
CVE-2026-23059scsi: qla2xxx: Sanitize payload size to prevent member overflow

Showing top 20 of 79 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-23075

No comments yet

Leave a comment