linux: An issue was discovered in the Linux kernel before 5.19
CVE-2022-39842 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2022-39842, released September 5, 2022. It is not reported as exploited. Patch Radar priority: Routine.
An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. NOTE: the original discoverer disputes that the overflow can actually happen.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| bpftool-debuginfo · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-debuginfo · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-devel · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-headers · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-libbpf · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-libbpf-devel · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-libbpf-static · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-livepatch-6.1.10-15.42 · amzn 2023 | 1.0-0.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-tools · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-tools-debuginfo · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| kernel-tools-devel · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| linux · Debian 12.15 (bookworm) | 5.19.6-1 | DEBIAN-CVE-2022-39842 | Sep 5, 2022 |
| linux · Debian 13.5 (trixie) | 5.19.6-1 | DEBIAN-CVE-2022-39842 | Sep 5, 2022 |
| linux · Debian 14 | 5.19.6-1 | DEBIAN-CVE-2022-39842 | Sep 5, 2022 |
| perf · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| perf-debuginfo · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| python3-perf · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
| python3-perf-debuginfo · amzn 2023 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 | Feb 17, 2023 |
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