Description
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Do not use WARN when encode fails
When asn1_encode_sequence() fails, WARN is not the correct solution.
1. asn1_encode_sequence() is not an internal function (located in lib/asn1_encode.c). 2. Location is known, which makes the stack trace useless. 3. Results a crash if panic_on_warn is set.
It is also noteworthy that the use of WARN is undocumented, and it should be avoided unless there is a carefully considered rationale to use it.
Replace WARN with pr_err, and print the return value instead, which is only useful piece of information.
Metrics
CVSS 3.1 5.5/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HAffected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= f2219745250f388edacabe6cca73654131c67d0a, < 96f650995c70237b061b497c66755e32908f8972; >= f2219745250f388edacabe6cca73654131c67d0a, < 681935009fec3fc22af97ee312d4a24ccf3cf087; >= f2219745250f388edacabe6cca73654131c67d0a, < 1c652e1e10676f942149052d9329b8bf2703529a; >= f2219745250f388edacabe6cca73654131c67d0a, < d32c6e09f7c4bec3ebc4941323f0aa6366bc1487; >= f2219745250f388edacabe6cca73654131c67d0a, < ff91cc12faf798f573dab2abc976c1d5b1862fea; >= f2219745250f388edacabe6cca73654131c67d0a, < 050bf3c793a07f96bd1e2fd62e1447f731ed733b |
| Linux | Linux | 5.13 |
References
- https://git.kernel.org/stable/c/050bf3c793a07f96bd1e2fd62e1447f731ed733bPatch
- https://git.kernel.org/stable/c/1c652e1e10676f942149052d9329b8bf2703529aPatch
- https://git.kernel.org/stable/c/681935009fec3fc22af97ee312d4a24ccf3cf087Patch
- https://git.kernel.org/stable/c/96f650995c70237b061b497c66755e32908f8972Patch
- https://git.kernel.org/stable/c/d32c6e09f7c4bec3ebc4941323f0aa6366bc1487Patch
- https://git.kernel.org/stable/c/ff91cc12faf798f573dab2abc976c1d5b1862feaPatch
- https://git.kernel.org/stable/c/050bf3c793a07f96bd1e2fd62e1447f731ed733bPatch
- https://git.kernel.org/stable/c/1c652e1e10676f942149052d9329b8bf2703529aPatch
- https://git.kernel.org/stable/c/681935009fec3fc22af97ee312d4a24ccf3cf087Patch
- https://git.kernel.org/stable/c/96f650995c70237b061b497c66755e32908f8972Patch
- https://git.kernel.org/stable/c/d32c6e09f7c4bec3ebc4941323f0aa6366bc1487Patch
- https://git.kernel.org/stable/c/ff91cc12faf798f573dab2abc976c1d5b1862feaPatch
Timeline
- Published
- Jun 18, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed