{"vulnerability": "CVE-2021-47340", "sightings": [{"uuid": "ca26add0-8687-461e-a88e-a4e4a2e588eb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-47340", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/14728", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-47340\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix GPF in diFree\n\nAvoid passing inode with\nJFS_SBI(inode->i_sb)->ipimap == NULL to\ndiFree()[1]. GFP will appear:\n\n struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;\n struct inomap *imap = JFS_IP(ipimap)->i_imap;\n\nJFS_IP() will return invalid pointer when ipimap == NULL\n\nCall Trace:\n diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1]\n jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154\n evict+0x2ed/0x750 fs/inode.c:578\n iput_final fs/inode.c:1654 [inline]\n iput.part.0+0x3fe/0x820 fs/inode.c:1680\n iput+0x58/0x70 fs/inode.c:1670\n\ud83d\udccf Published: 2024-05-21T14:35:48.342Z\n\ud83d\udccf Modified: 2025-05-04T07:08:58.094Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/7bde24bde490f3139eee147efc6d60d6040fe975\n2. https://git.kernel.org/stable/c/745c9a59422c63f661f4374ed5181740db4130a1\n3. https://git.kernel.org/stable/c/49def1b0644892e3b113673c13d650c3060b43bc\n4. https://git.kernel.org/stable/c/aff8d95b69051d0cf4acc3d91f22299fdbb9dfb3\n5. https://git.kernel.org/stable/c/a21e5cb1a64c904f1f0ef7b2d386fc7d2b1d2ce2\n6. https://git.kernel.org/stable/c/8018936950360f1c503bb385e158cfc5e4945d18\n7. https://git.kernel.org/stable/c/3bb27e27240289b47d3466f647a55c567adbdc3a\n8. https://git.kernel.org/stable/c/42f102ea1943ecb10a0756bf75424de5d1d5beed\n9. https://git.kernel.org/stable/c/9d574f985fe33efd6911f4d752de6f485a1ea732", "creation_timestamp": "2025-05-04T07:18:08.000000Z"}]}