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CVE-2026-43050

🗓️ 01 May 2026 14:15:44Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 56 Views

Fix use-after-free in sock_def_readable by converting priv->lecd to RCU and adding synchronization.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-43050
1 May 202614:15
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1
14 Sep 202612:01
–astralinux
bdu_fstec
BDU FSTEC
Linux kernel Heap Buffer Overflow DoS
5 Jun 202600:00
–bdu_fstec
circl
Circl
CVE-2026-43050
5 May 202620:00
–circl
cloudlinux
CloudLinux
kernel: Fix of 56 CVEs
21 Sep 202603:08
–cloudlinux
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
1 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-43050 atm: lec: fix use-after-free in sock_def_readable()
1 May 202614:15
–cvelist
debian
Debian
[SECURITY] [DLA 4561-1] linux-6.1 security update
2 May 202608:40
–debian
debian
Debian
[SECURITY] [DLA 4606-1] linux security update
29 May 202616:36
–debian
debian
Debian
[SECURITY] [DSA 6243-1] linux security update
1 May 202619:10
–debian
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.12.1–5.10.253
linuxlinux_kernelRange5.11–5.15.203
linuxlinux_kernelRange5.16–6.1.168
linuxlinux_kernelRange6.2–6.6.134
linuxlinux_kernelRange6.7–6.12.81
linuxlinux_kernelRange6.13–6.18.22
linuxlinux_kernelRange6.19–6.19.12
linuxlinux_kernelMatch2.6.12-
linuxlinux_kernelMatch2.6.12rc2
linuxlinux_kernelMatch2.6.12rc3
linuxlinux_kernelMatch2.6.12rc4
linuxlinux_kernelMatch2.6.12rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/atm/lec.c",
      "net/atm/lec.h"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "3e8b25f32f2f35549d03d77da030a24a45bdef5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "750a33f417f3d196b86375f8d9f8938bacf130fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "317843d5355062020649124eb4a0d7acbcc3f53e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "b256d055da47258e63f8b40965f276c5f23d229a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "3989740fa4978e1d2d51ecc62be1b01093e104ad",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "abc10f85a3965ac14b9ed7ad3e67b35604a63aa3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "5fbbb1ff936d7ff9528d929c1549977e8123d8a8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "922814879542c2e397b0e9641fd36b8202a8e555",
        "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/atm/lec.c",
      "net/atm/lec.h"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.134",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.81",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.22",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.12",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 10:48Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17
EPSS0.00119
56