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CVE-2026-74430 rxrpc: Fix ACKALL packet handling

🗓️ 15 Aug 2026 05:59:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Forged ACKALL packets cause null pointer dereference in rxrpc before reply packets are queued in Linux kernel.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74430
15 Aug 202605:59
attackerkb
cve
CVE
CVE-2026-74430
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74430
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59577
15 Aug 202605:59
euvd
nvd
NVD
CVE-2026-74430
15 Aug 202606:22
nvd
osv
OSV
DEBIAN-CVE-2026-74430
15 Aug 202606:22
osv
ptsecurity
Positive Technologies
PT-2026-72866
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c",
      "net/rxrpc/call_object.c",
      "net/rxrpc/conn_client.c",
      "net/rxrpc/input.c",
      "net/rxrpc/sendmsg.c"
    ],
    "versions": [
      {
        "version": "b341a0263b1b804d329f864c2dc24815364510ec",
        "lessThan": "8db6a2c95e36938076b37466ce36774526a5c8c3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b341a0263b1b804d329f864c2dc24815364510ec",
        "lessThan": "523cb585672ae681b2d3b0d620aec5313774e2e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b341a0263b1b804d329f864c2dc24815364510ec",
        "lessThan": "9b6ce594808580b2a19e6e1aa459ef56c0153ac1",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/ar-internal.h",
      "net/rxrpc/call_event.c",
      "net/rxrpc/call_object.c",
      "net/rxrpc/conn_client.c",
      "net/rxrpc/input.c",
      "net/rxrpc/sendmsg.c"
    ],
    "versions": [
      {
        "version": "6.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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