{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-26754", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()\n\nThe gtp_net_ops pernet operations structure for the subsystem must be\nregistered before registering the generic netlink family.\n\nSyzkaller hit 'general protection fault in gtp_genl_dump_pdp' bug:\n\ngeneral protection fault, probably for non-canonical address\n0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]\nCPU: 1 PID: 5826 Comm: gtp Not tainted 6.8.0-rc3-std-def-alt1 #1\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014\nRIP: 0010:gtp_genl_dump_pdp+0x1be/0x800 [gtp]\nCode: c6 89 c6 e8 64 e9 86 df 58 45 85 f6 0f 85 4e 04 00 00 e8 c5 ee 86\n df 48 8b 54 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80>\n 3c 02 00 0f 85 de 05 00 00 48 8b 44 24 18 4c 8b 30 4c 39 f0 74\nRSP: 0018:ffff888014107220 EFLAGS: 00010202\nRAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000\nRDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\nR13: ffff88800fcda588 R14: 0000000000000001 R15: 0000000000000000\nFS: 00007f1be4eb05c0(0000) GS:ffff88806ce80000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f1be4e766cf CR3: 000000000c33e000 CR4: 0000000000750ef0\nPKRU: 55555554\nCall Trace:\n \n ? show_regs+0x90/0xa0\n ? die_addr+0x50/0xd0\n ? exc_general_protection+0x148/0x220\n ? asm_exc_general_protection+0x22/0x30\n ? gtp_genl_dump_pdp+0x1be/0x800 [gtp]\n ? __alloc_skb+0x1dd/0x350\n ? __pfx___alloc_skb+0x10/0x10\n genl_dumpit+0x11d/0x230\n netlink_dump+0x5b9/0xce0\n ? lockdep_hardirqs_on_prepare+0x253/0x430\n ? __pfx_netlink_dump+0x10/0x10\n ? kasan_save_track+0x10/0x40\n ? __kasan_kmalloc+0x9b/0xa0\n ? genl_start+0x675/0x970\n __netlink_dump_start+0x6fc/0x9f0\n genl_family_rcv_msg_dumpit+0x1bb/0x2d0\n ? __pfx_genl_family_rcv_msg_dumpit+0x10/0x10\n ? genl_op_from_small+0x2a/0x440\n ? cap_capable+0x1d0/0x240\n ? __pfx_genl_start+0x10/0x10\n ? __pfx_genl_dumpit+0x10/0x10\n ? __pfx_genl_done+0x10/0x10\n ? security_capable+0x9d/0xe0" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "459aa660eb1d", "version_value": "f0ecdfa67918" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.308", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.270", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.211", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.150", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.80", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.19", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.7", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/f0ecdfa679189d26aedfe24212d4e69e42c2c861", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f0ecdfa679189d26aedfe24212d4e69e42c2c861" }, { "url": "https://git.kernel.org/stable/c/f8cbd1791900b5d96466eede8e9439a5b9ca4de7", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f8cbd1791900b5d96466eede8e9439a5b9ca4de7" }, { "url": "https://git.kernel.org/stable/c/2e534fd15e5c2ca15821c897352cf0e8a3e30dca", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/2e534fd15e5c2ca15821c897352cf0e8a3e30dca" }, { "url": "https://git.kernel.org/stable/c/a576308800be28f2eaa099e7caad093b97d66e77", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/a576308800be28f2eaa099e7caad093b97d66e77" }, { "url": "https://git.kernel.org/stable/c/3963f16cc7643b461271989b712329520374ad2a", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/3963f16cc7643b461271989b712329520374ad2a" }, { "url": "https://git.kernel.org/stable/c/ba6b8b02a3314e62571a540efa96560888c5f03e", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/ba6b8b02a3314e62571a540efa96560888c5f03e" }, { "url": "https://git.kernel.org/stable/c/5013bd54d283eda5262c9ae3bcc966d01daf8576", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5013bd54d283eda5262c9ae3bcc966d01daf8576" }, { "url": "https://git.kernel.org/stable/c/136cfaca22567a03bbb3bf53a43d8cb5748b80ec", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/136cfaca22567a03bbb3bf53a43d8cb5748b80ec" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }