CVE-2022-49548
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49548
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49548.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49548
- Downstream
- Related
- Published
- 2025-02-26T07:01:30Z
- Modified
- 2025-10-01T20:16:41Z
- 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
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
bpf: Fix potential array overflow in bpftrampolineget_progs()
The cnt value in the 'cnt >= BPFMAXTRAMPPROGS' check does not include BPFTRAMPMODIFYRETURN bpf programs, so the number of the attached BPFTRAMPMODIFYRETURN bpf programs in a trampoline can exceed BPFMAXTRAMPPROGS.
When this happens, the assignment '*progs++ = aux->prog' in bpftrampolinegetprogs() will cause progs array overflow as the progs field in the bpftrampprogs struct can only hold at most BPFMAXTRAMPPROGS bpf programs.
- References
-
- https://git.kernel.org/stable/c/32c4559c61652f24c9fdd5440342196fe37453bc
- https://git.kernel.org/stable/c/4f8897bcc20b9ae44758e0572538d741ab66f0dc
- https://git.kernel.org/stable/c/7f845de2863334bed4f362e95853f5e7bc323737
- https://git.kernel.org/stable/c/a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8d
- https://git.kernel.org/stable/c/e36452d5da6325df7c10cffc60a9e68d21e2606d