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{
"id": "CVE-2024-26979",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-05-01T06:15:15.227",
"lastModified": "2024-05-01T06:15:15.227",
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: Fix possible null pointer derefence with invalid contexts\n\nvmw_context_cotable can return either an error or a null pointer and its\nusage sometimes went unchecked. Subsequent code would then try to access\neither a null pointer or an error value.\n\nThe invalid dereferences were only possible with malformed userspace\napps which never properly initialized the rendering contexts.\n\nCheck the results of vmw_context_cotable to fix the invalid derefs.\n\nThanks:\nziming zhang(@ezrak1e) from Ant Group Light-Year Security Lab\nwho was the first person to discover it.\nNiels De Graef who reported it and helped to track down the poc."
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/07c3fe923ff7eccf684fb4f8c953d0a7cc8ded73",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/517621b7060096e48e42f545fa6646fc00252eac",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/585fec7361e7850bead21fada49a7fcde2f2e791",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/899e154f9546fcae18065d74064889d08fff62c2",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/9cb3755b1e3680b720b74dbedfac889e904605c7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/c560327d900bab968c2e1b4cd7fa2d46cd429e3d",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ff41e0d4f3fa10d7cdd7d40f8026bea9fcc8b000",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}