mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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45 lines
3.0 KiB
JSON
45 lines
3.0 KiB
JSON
{
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"id": "CVE-2022-49688",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-02-26T07:01:43.617",
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"lastModified": "2025-02-26T07:01:43.617",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix dynamic root getattr\n\nThe recent patch to make afs_getattr consult the server didn't account\nfor the pseudo-inodes employed by the dynamic root-type afs superblock\nnot having a volume or a server to access, and thus an oops occurs if\nsuch a directory is stat'd.\n\nFix this by checking to see if the vnode->volume pointer actually points\nanywhere before following it in afs_getattr().\n\nThis can be tested by stat'ing a directory in /afs. It may be\nsufficient just to do \"ls /afs\" and the oops looks something like:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000020\n ...\n RIP: 0010:afs_getattr+0x8b/0x14b\n ...\n Call Trace:\n <TASK>\n vfs_statx+0x79/0xf5\n vfs_fstatat+0x49/0x62"
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: afs: Fix dynamic root getattr El parche reciente para hacer que afs_getattr consulte al servidor no tuvo en cuenta los pseudoinodos empleados por el superbloque afs de tipo ra\u00edz din\u00e1mico que no tienen un volumen o un servidor al que acceder, y por lo tanto ocurre un error si se agrega una estad\u00edstica a dicho directorio. Arregle esto verificando si el puntero vnode->volume realmente apunta a alg\u00fan lugar antes de seguirlo en afs_getattr(). Esto se puede probar agregando una estad\u00edstica a un directorio en /afs. Puede ser suficiente con hacer \"ls /afs\" y el error se ver\u00e1 as\u00ed: ERROR: desreferencia de puntero NULL del n\u00facleo, direcci\u00f3n: 0000000000000020 ... RIP: 0010:afs_getattr+0x8b/0x14b ... Seguimiento de llamadas: vfs_statx+0x79/0xf5 vfs_fstatat+0x49/0x62"
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/2b2bba96526f25f2eba74ecadb031de2e05a83ce",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/65c24caf1b9f5b08397c6e805ec24ebc390c6e4d",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/7844ceada44eca740d31beb3d97b8511b1ca0a9b",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/7b564e3254b7db5fbfbf11a824627a6c31b932b4",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/cb78d1b5efffe4cf97e16766329dd7358aed3deb",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3a232e5767051483ffad4cef7d0a89d292a192b",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |