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CVE-2021-47232 can: j1939: fix Use-after-Free, hold skb ref while in use
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | Astra Linux – Vulnerability in Linux | 3 May 202623:59 | – | astralinux |
 | The vulnerability of the j1939Session_skbDropOld() function in the net/can/j1939/transport.c module allows attackers to compromise the confidentiality, integrity, and accessibility of protected information when dealing with J1939 sockets, CAN interfaces, and Linux kernel components. | 23 Jun 202500:00 | – | bdu_fstec |
 | Linux kernel 安全漏洞 | 21 May 202400:00 | – | cnnvd |
 | CVE-2021-47232 | 21 May 202414:19 | – | cve |
 | CVE-2021-47232 | 21 May 202414:19 | – | debiancve |
 | CVE-2021-47232 | 21 May 202415:15 | – | nvd |
 | DEBIAN-CVE-2021-47232 | 21 May 202415:15 | – | osv |
| OESA-2024-1767 kernel security update | 28 Jun 202411:08 | – | osv |
| UBUNTU-CVE-2021-47232 | 21 May 202415:15 | – | osv |
 | PT-2024-11240 · Linux +1 · Linux Kernel +1 | 16 Jun 202100:00 | – | ptsecurity |
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/can/j1939/transport.c"
],
"versions": [
{
"version": "9d71dd0c70099914fcd063135da3c580865e924c",
"lessThan": "22cba878abf646cd3a02ee7c8c2cef7afe66a256",
"status": "affected",
"versionType": "git"
},
{
"version": "9d71dd0c70099914fcd063135da3c580865e924c",
"lessThan": "509ab6bfdd0c76daebbad0f0af07da712116de22",
"status": "affected",
"versionType": "git"
},
{
"version": "9d71dd0c70099914fcd063135da3c580865e924c",
"lessThan": "1071065eeb33d32b7d98c2ce7591881ae7381705",
"status": "affected",
"versionType": "git"
},
{
"version": "9d71dd0c70099914fcd063135da3c580865e924c",
"lessThan": "2030043e616cab40f510299f09b636285e0a3678",
"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/can/j1939/transport.c"
],
"versions": [
{
"version": "5.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.4",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.128",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.46",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.12.13",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]Data
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11 May 2026 13:50Current
6.3Medium risk
Vulners AI Score6.3
EPSS0.0002