# CVE-2024-43838: linux: In the Linux kernel, the following vulnerability has been resolved:  bpf: fix overflow check in adjust_jmp_off()  adj...

CVE-2024-43838 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-43838, released August 17, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-43838
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 17, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  bpf: fix overflow check in adjust_jmp_off()  adjust_jmp_off() incorrectly used the insn->imm field for all overflow check, which is incorrect as that should only be done or the BPF_JMP32 | BPF_JA case, not the general jump instruction case. Fix it by using insn->off for overflow check in the general case.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.10.3-1 | [DEBIAN-CVE-2024-43838](https://patchblox.com/security/data/fix/linux/debian-cve-2024-43838.md) | Aug 17, 2024 |
| Linux | linux Debian 14 | 6.10.3-1 | [DEBIAN-CVE-2024-43838](https://patchblox.com/security/data/fix/linux/debian-cve-2024-43838.md) | Aug 17, 2024 |

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