CVE-2026-43030

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-43030
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43030.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-43030
Downstream
Related
Published
2026-05-01T14:15:30.564Z
Modified
2026-07-09T18:29:21.993000052Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
bpf: Fix regsafe() for pointers to packet
Details

In the Linux kernel, the following vulnerability has been resolved:

bpf: Fix regsafe() for pointers to packet

In case rold->reg->range == BEYONDPKTEND && rcur->reg->range == N regsafe() may return true which may lead to current state with valid packet range not being explored. Fix the bug.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43030.json"
}
References

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
Introduced
95b6ec733752b31bfd166c4609d2c1b5cdde9b47
Fixed
b52f6d0ef7b308f9d05bbddb78749852f28e8e40
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
6d94e741a8ff818e5518da8257f5ca0aaed1f269
Fixed
37db6b9726d0bcf91cbdf9d63b558c50da49f968
Fixed
015a74476dc1ab6923d89f1ee009aaf43faa7185
Fixed
b99d82706bd1511bb875e3de7154698fd9215c99
Fixed
7241da033fdc507b920e092dab1f97b945cb0370
Fixed
8aebe18069394f4a79d2d82080a0f806da449996
Fixed
ca995b1462ec6db1e869100ba1fb7356bd3f22f0
Fixed
a8502a79e832b861e99218cbd2d8f4312d62e225

Affected versions

v5.*
v5.10.155
v5.10.156
v5.10.157
v5.10.158
v5.10.159
v5.10.160
v5.10.161
v5.10.162
v5.10.163
v5.10.164
v5.10.165
v5.10.166
v5.10.167
v5.10.168
v5.10.169
v5.10.170
v5.10.171
v5.10.172
v5.10.173
v5.10.174
v5.10.175
v5.10.176
v5.10.177
v5.10.178
v5.10.179
v5.10.180
v5.10.181
v5.10.182
v5.10.183
v5.10.184
v5.10.185
v5.10.186
v5.10.187
v5.10.188
v5.10.189
v5.10.190
v5.10.191
v5.10.192
v5.10.193
v5.10.194
v5.10.195
v5.10.196
v5.10.197
v5.10.198
v5.10.199
v5.10.200
v5.10.201
v5.10.202
v5.10.203
v5.10.204
v5.10.205
v5.10.206
v5.10.207
v5.10.208
v5.10.209
v5.10.210
v5.10.211
v5.10.212
v5.10.213
v5.10.214
v5.10.215
v5.10.216
v5.10.217
v5.10.218
v5.10.219
v5.10.220
v5.10.221
v5.10.222
v5.10.223
v5.10.224
v5.10.225
v5.10.226
v5.10.227
v5.10.228
v5.10.229
v5.10.230
v5.10.231
v5.10.232
v5.10.233
v5.10.234
v5.10.235
v5.10.236
v5.10.237
v5.10.238
v5.10.239
v5.10.240
v5.10.241
v5.10.242
v5.10.243
v5.10.244
v5.10.245
v5.10.246
v5.10.247
v5.10.248
v5.10.249
v5.10.250
v5.10.251
v5.10.252

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43030.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.253
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.203
Fixed
6.1.168
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.6.134
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.12.81
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.18.22
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.19.12

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43030.json"