pktgen: Avoid out-of-bounds access in get_imix_entries (Linux Linux)

CVE-2025-21680
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.22 % · centile 13 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in get_imix_entries Passing a sufficient amount of imix entries leads to invalid access to the pkt_dev->imix_entries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in net/core/pktgen.c:874:24 index 20 is out of range for type 'imix_pkt [20]' CPU: 2 PID: 1210 Comm: bash Not tainted 6.10.0-rc1 #121 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) Call Trace: <TASK> dump_stack_lvl lib/dump_stack.c:117 __ubsan_handle_out_of_bounds lib/ubsan.c:429 get_imix_entries net/core/pktgen.c:874 pktgen_if_write net/core/pktgen.c:1063 pde_write fs/proc/inode.c:334 proc_reg_write fs/proc/inode.c:346 vfs_write fs/read_write.c:593 ksys_write fs/read_write.c:644 do_syscall_64 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:130 Found by Linux Verification Center (linuxtesting.org) with SVACE. [ fp: allow to fill the array completely; minor changelog cleanup ]

Faiblesses (CWE)

  • CWE-129 — Validation incorrecte d'un indice de tableau

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCISA-ADP
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 52a62f8603f97e720882c8f5aff2767ac6a11d5f < 3450092cc2d1c311c5ea92a2486daa2a33520ea5 ; affected 52a62f8603f97e720882c8f5aff2767ac6a11d5f < e5d24a7074dcd0c7e76b7e7e4efbbe7418d62486 ; affected 52a62f8603f97e720882c8f5aff2767ac6a11d5f < 7cde21f52042aa2e29a654458166b873d2ae66b3 ; affected 52a62f8603f97e720882c8f5aff2767ac6a11d5f < 1a9b65c672ca9dc4ba52ca2fd54329db9580ce29 ; affected 52a62f8603f97e720882c8f5aff2767ac6a11d5f < 76201b5979768500bca362871db66d77cb4c225e
Linux · Linuxaffected 5.15 ; unaffected 0 < 5.15 ; unaffected 5.15.177 ≤ 5.15.* ; unaffected 6.1.127 ≤ 6.1.* ; unaffected 6.6.74 ≤ 6.6.* ; unaffected 6.12.11 ≤ 6.12.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD