isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()

Summary

CVECVE-2025-68734
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 11:16:02 UTC
Updated2026-10-13 11:10:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe() In hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when setup_instance() fails with an error code. Fix that by freeing the urb before freeing the hw structure. Also change the error paths to use the goto ladder style. Compile tested only. Issue found using a prototype static analysis tool.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 475032fa2bb82ffb592c321885e917e39f47357f git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e adb7577e23a431fc53aa1b6107733c0d751015fb git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e b70c24827e11fdc71465f9207e974526fb457bb9 git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 3f7c72bc73c4e542fde14cce017549d8a0b61a3c git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 03695541b3349bc40bf5d6563d44d6147fb20260 git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 6dce43433e0635e7b00346bc937b69ce48ea71bb git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e ea7936304ed74ab7f965d17f942a173ce91a5ca8 git Not specified
CNA Linux Linux affected 69f52adb2d534afc41fcc658f155e01f0b322f9e 3f978e3f1570155a1327ffa25f60968bc7b9398f git Not specified
CNA Linux Linux affected 2.6.29 Not specified
CNA Linux Linux unaffected 2.6.29 semver Not specified
CNA Linux Linux unaffected 5.4.302 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.247 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.197 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.159 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.117 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.59 6.12.* semver Not specified
CNA Linux Linux unaffected 6.17.9 6.17.* semver Not specified
CNA Linux Linux unaffected 6.18 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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