CVE-2026-23037
In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: allow partial RX URB allocation to succeed When es58x_alloc_rx_urbs() fails to allocate the requested number of URBs but succeeds in allocating some, it returns an…
Does this matter?
Not yet scored. NVD analysis is pending; check back once CVSS and EPSS values are published.
Description
In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: allow partial RX URB allocation to succeed When es58x_alloc_rx_urbs() fails to allocate the requested number of URBs but succeeds in allocating some, it returns an error code. This causes es58x_open() to return early, skipping the cleanup label 'free_urbs', which leads to the anchored URBs being leaked. As pointed out by maintainer Vincent Mailhol, the driver is designed to handle partial URB allocation gracefully. Therefore, partial allocation should not be treated as a fatal error. Modify es58x_alloc_rx_urbs() to return 0 if at least one URB has been allocated, restoring the intended behavior and preventing the leak in es58x_open().
- CVSS
- Not yet scored
- EPSS
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/611e839d2d552416b498ed5593e10670f61fcd4d
- https://git.kernel.org/stable/c/6c5124a60989051799037834f0a1a4b428718157
- https://git.kernel.org/stable/c/97250eb05e4b6afe787290e8fd97d0675116c61b
- https://git.kernel.org/stable/c/aec888f44853584b5a7cd01249806030cf94a73d
- https://git.kernel.org/stable/c/b1979778e98569c1e78c2c7f16bb24d76541ab00
- https://git.kernel.org/stable/c/ba45e3d6b02c97dbb4578fbae7027fd66f3caa10
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.