CVE-2022-49548 (GCVE-0-2022-49548)
Vulnerability from cvelistv5
Published
2025-02-26 02:13
Modified
2025-10-01 19:46
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential array overflow in bpf_trampoline_get_progs() The cnt value in the 'cnt >= BPF_MAX_TRAMP_PROGS' check does not include BPF_TRAMP_MODIFY_RETURN bpf programs, so the number of the attached BPF_TRAMP_MODIFY_RETURN bpf programs in a trampoline can exceed BPF_MAX_TRAMP_PROGS. When this happens, the assignment '*progs++ = aux->prog' in bpf_trampoline_get_progs() will cause progs array overflow as the progs field in the bpf_tramp_progs struct can only hold at most BPF_MAX_TRAMP_PROGS bpf programs.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32c4559c61652f24c9fdd5440342196fe37453bcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f8897bcc20b9ae44758e0572538d741ab66f0dcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7f845de2863334bed4f362e95853f5e7bc323737Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a2aa95b71c9bbec793b5c5fa50f0a80d882b3e8dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e36452d5da6325df7c10cffc60a9e68d21e2606dPatch
Impacted products
Vendor Product Version
Linux Linux Version: 88fd9e5352fe05f7fe57778293aebd4cd106960b
Version: 88fd9e5352fe05f7fe57778293aebd4cd106960b
Version: 88fd9e5352fe05f7fe57778293aebd4cd106960b
Version: 88fd9e5352fe05f7fe57778293aebd4cd106960b
Version: 88fd9e5352fe05f7fe57778293aebd4cd106960b
 Create a notification for this product.
   Linux Linux Version: 5.7
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