An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.
| Platform | Package | Release Date | Advisory |
|---|---|---|---|
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2023-06-21 19:12 | ALAS2KERNEL-5.10-2023-034 |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2023-06-21 19:12 | ALAS2KERNEL-5.15-2023-021 |
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | 2023-06-21 19:12 | ALAS2KERNEL-5.4-2023-047 |
| Amazon Linux 2023 | kernel | 2023-06-21 19:11 | ALAS2023-2023-228 |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.177-158.645 | 2023-08-17 17:03 | ALAS2LIVEPATCH-2023-141 |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.178-162.673 | 2023-08-17 17:03 | ALAS2LIVEPATCH-2023-140 |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.179-166.674 | 2023-08-17 17:03 | ALAS2LIVEPATCH-2023-139 |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.179-168.710 | 2023-08-17 17:03 | ALAS2LIVEPATCH-2023-138 |
| Amazon Linux 2 - Livepatch Extra | kernel-livepatch-5.10.179-171.711 | 2023-08-17 17:03 | ALAS2LIVEPATCH-2023-137 |
| Amazon Linux 2023 | kernel-livepatch-6.1.25-37.47 | 2023-09-15 20:55 | ALAS2023LIVEPATCH-2023-019 |
| Amazon Linux 2023 | kernel-livepatch-6.1.27-43.48 | 2023-09-15 20:55 | ALAS2023LIVEPATCH-2023-016 |
| Amazon Linux 2023 | kernel-livepatch-6.1.29-47.49 | 2023-09-15 20:55 | ALAS2023LIVEPATCH-2023-017 |
| Amazon Linux 2023 | kernel-livepatch-6.1.29-50.88 | 2023-09-15 20:55 | ALAS2023LIVEPATCH-2023-018 |
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H |
| NVD | CVSSv3 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
