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Description

In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: use netdev_warn() instead of netdev_WARN() netdev_WARN() uses WARN/WARN_ON to print a backtrace along with file and line information. In this case, udp_tunnel_nic_register() returning an error is just a failed operation, not a kernel bug. udp_tunnel_nic_register() can fail due to a memory allocation failure (kzalloc() or udp_tunnel_nic_alloc()). This is a normal runtime error and not a kernel bug. Replace netdev_WARN() with netdev_warn() accordingly.

PUBLISHED Reserved 2025-12-16 | Published 2025-12-16 | Updated 2025-12-16 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 087f1ed450dc6e7e49ffbbbe5b78be1218c6d5e0
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 45e4e4a8772fa1c5f6f38e82b732b3a9d8137af4
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 7758ec35ff3e9a31558eda4f0f9eb0ddfa78a8ba
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before c018a87942bf1607aeebf8dba5a210ca9a09a0fd
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 51b3033088f0420b19027e3d54cd989b6ebd987e
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3c3b148bf8384c8a787753cf20abde1c5731f97f
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before dc2f650f7e6857bf384069c1a56b2937a1ee370d
affected

Default status
affected

5.10.247 (semver)
unaffected

5.15.197 (semver)
unaffected

6.1.159 (semver)
unaffected

6.6.117 (semver)
unaffected

6.12.58 (semver)
unaffected

6.17.8 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/087f1ed450dc6e7e49ffbbbe5b78be1218c6d5e0

git.kernel.org/...c/45e4e4a8772fa1c5f6f38e82b732b3a9d8137af4

git.kernel.org/...c/7758ec35ff3e9a31558eda4f0f9eb0ddfa78a8ba

git.kernel.org/...c/c018a87942bf1607aeebf8dba5a210ca9a09a0fd

git.kernel.org/...c/51b3033088f0420b19027e3d54cd989b6ebd987e

git.kernel.org/...c/3c3b148bf8384c8a787753cf20abde1c5731f97f

git.kernel.org/...c/dc2f650f7e6857bf384069c1a56b2937a1ee370d

cve.org (CVE-2025-68191)

nvd.nist.gov (CVE-2025-68191)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.