# CVE-2024-27047: linux: In the Linux kernel, the following vulnerability has been resolved:  net: phy: fix phy_get_internal_delay accessing a...

CVE-2024-27047 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-27047, released May 1, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-27047
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 1, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: phy: fix phy_get_internal_delay accessing an empty array  The phy_get_internal_delay function could try to access to an empty array in the case that the driver is calling phy_get_internal_delay without defining delay_values and rx-internal-delay-ps or tx-internal-delay-ps is defined to 0 in the device-tree. This will lead to "unable to handle kernel NULL pointer dereference at virtual address 0". To avoid this kernel oops, the test should be delay >= 0. As there is already delay < 0 test just before, the test could only be size == 0.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-livepatch-6.1.84-99.169 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.85-1 | [DEBIAN-CVE-2024-27047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27047.md) | May 1, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.7.12-1 | [DEBIAN-CVE-2024-27047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27047.md) | May 1, 2024 |
| Linux | linux Debian 14 | 6.7.12-1 | [DEBIAN-CVE-2024-27047](https://patchblox.com/security/data/fix/linux/debian-cve-2024-27047.md) | May 1, 2024 |
| Linux | perf amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | perf-debuginfo amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | python3-perf amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.84-99.169.amzn2023 | [ALAS2023-2024-696](https://patchblox.com/security/data/fix/linux/alas2023-2024-696.md) | Aug 1, 2024 |

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