CVE-2026-74578

🗓️ 16 Aug 2026 08:20:32Reported by LinuxType

algif_skcipher async AIO path allows unprivileged users to reuse IVs in CTR/CBC modes, leaking plaintext of concurrent operations.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-74578	16 Aug 202608:20	–	attackerkb
Circl	CVE-2026-74578	16 Aug 202611:07	–	circl
Cvelist	CVE-2026-74578 crypto: algif_skcipher - force synchronous processing on trees without ctx->state	16 Aug 202608:20	–	cvelist
Debian CVE	CVE-2026-74578	16 Aug 202608:20	–	debiancve
EUVD	EUVD-2026-59939	16 Aug 202608:20	–	euvd
NVD	CVE-2026-74578	16 Aug 202609:16	–	nvd
OSV	DEBIAN-CVE-2026-74578	16 Aug 202609:16	–	osv
Positive Technologies	PT-2026-73140	16 Aug 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.14–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "crypto/algif_skcipher.c"
    ],
    "versions": [
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "bf09b0be8e851f050e98da702d247c14d81b591a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "73dd3bf704ca6c20639de70c08e9a10bee904a95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "f1a87ca0843d74482402a206ea2dfb315ee9acbd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "7b91e51d0eb7cbb07f7f086f9176bd93dbbc85dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "60eafc7b08c6689ea3ad39eff8d97aefc8a087c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "d7860b682da55433b5da0591b0e4c1982ecd2689",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "b05defc41b27c7d0c05c45f67bf5b91c28f93669",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e870456d8e7c8d57c059ea479b5aadbb55ff4c3a",
        "lessThan": "fcc77d33a34cf271702e8daafb6c593e4626776d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "crypto/algif_skcipher.c"
    ],
    "versions": [
      {
        "version": "4.14",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.14",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/60eafc7b08c6689ea3ad39eff8d97aefc8a087c7
git	www.git.kernel.org/stable/c/f1a87ca0843d74482402a206ea2dfb315ee9acbd
git	www.git.kernel.org/stable/c/73dd3bf704ca6c20639de70c08e9a10bee904a95
git	www.git.kernel.org/stable/c/b05defc41b27c7d0c05c45f67bf5b91c28f93669
git	www.git.kernel.org/stable/c/fcc77d33a34cf271702e8daafb6c593e4626776d
git	www.git.kernel.org/stable/c/bf09b0be8e851f050e98da702d247c14d81b591a
git	www.git.kernel.org/stable/c/7b91e51d0eb7cbb07f7f086f9176bd93dbbc85dd
git	www.git.kernel.org/stable/c/d7860b682da55433b5da0591b0e4c1982ecd2689

16 Aug 2026 09:16Current

5.4Medium risk

Vulners AI Score5.4