CVE-2026-43089
- Source
- https://cve.org/CVERecord?id=CVE-2026-43089
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43089.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-43089
- Downstream
- Published
- 2026-05-06T07:40:22.630Z
- Modified
- 2026-06-03T03:55:13.182070918Z
- Summary
- xfrm_user: fix info leak in build_mapping()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
xfrmuser: fix info leak in buildmapping()
struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. Fix that up by zeroing out the whole structure before setting individual variables.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43089.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/1beb76b2053b68c491b78370794b8ff63c8f8c02
- https://git.kernel.org/stable/c/521385cbd50ca9474396d88462fcdfa6489685d9
- https://git.kernel.org/stable/c/5a1a4b049ddde41466ccac0daeec326254b133f2
- https://git.kernel.org/stable/c/700c9622b23c33b5933e6dcea816492c064e4e10
- https://git.kernel.org/stable/c/72a8de41c3eb4dcf22bf3b674ea38fb2f75d6f32
- https://git.kernel.org/stable/c/c2779ae9a3e5a044e5ccd564681511bbbcc5fc0f
- https://git.kernel.org/stable/c/d3125c541a96fb3c0fc7210112684baf22b6c24d
- https://git.kernel.org/stable/c/f779a6b6cdb6e12baa0663063ac59ab2a8f20c0c
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43089.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-43089
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced3a2dfbe8acb154905fdc2fd03ec56df42e6c4cc4Fixed521385cbd50ca9474396d88462fcdfa6489685d9Fixedc2779ae9a3e5a044e5ccd564681511bbbcc5fc0fFixed72a8de41c3eb4dcf22bf3b674ea38fb2f75d6f32Fixedd3125c541a96fb3c0fc7210112684baf22b6c24dFixed5a1a4b049ddde41466ccac0daeec326254b133f2Fixedf779a6b6cdb6e12baa0663063ac59ab2a8f20c0cFixed700c9622b23c33b5933e6dcea816492c064e4e10Fixed1beb76b2053b68c491b78370794b8ff63c8f8c02
Linux / Kernel
Package
- Name
- Kernel
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced2.6.29Fixed5.10.258
- Type
- ECOSYSTEM
- Events
-
Introduced5.11.0Fixed5.15.209
- Type
- ECOSYSTEM
- Events
-
Introduced5.16.0Fixed6.1.175
- Type
- ECOSYSTEM
- Events
-
Introduced6.2.0Fixed6.6.136
- Type
- ECOSYSTEM
- Events
-
Introduced6.7.0Fixed6.12.83
- Type
- ECOSYSTEM
- Events
-
Introduced6.13.0Fixed6.18.24
- Type
- ECOSYSTEM
- Events
-
Introduced6.19.0Fixed6.19.14