{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "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" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/gtp.c" ], "versions": [ { "version": "459aa660eb1d", "lessThan": "f0ecdfa67918", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "f8cbd1791900", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "2e534fd15e5c", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "a576308800be", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "3963f16cc764", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "ba6b8b02a331", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "5013bd54d283", "status": "affected", "versionType": "git" }, { "version": "459aa660eb1d", "lessThan": "136cfaca2256", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/gtp.c" ], "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.308", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.270", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.211", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.150", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.80", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.19", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.7", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/f0ecdfa679189d26aedfe24212d4e69e42c2c861" }, { "url": "https://git.kernel.org/stable/c/f8cbd1791900b5d96466eede8e9439a5b9ca4de7" }, { "url": "https://git.kernel.org/stable/c/2e534fd15e5c2ca15821c897352cf0e8a3e30dca" }, { "url": "https://git.kernel.org/stable/c/a576308800be28f2eaa099e7caad093b97d66e77" }, { "url": "https://git.kernel.org/stable/c/3963f16cc7643b461271989b712329520374ad2a" }, { "url": "https://git.kernel.org/stable/c/ba6b8b02a3314e62571a540efa96560888c5f03e" }, { "url": "https://git.kernel.org/stable/c/5013bd54d283eda5262c9ae3bcc966d01daf8576" }, { "url": "https://git.kernel.org/stable/c/136cfaca22567a03bbb3bf53a43d8cb5748b80ec" } ], "title": "gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2024-26754", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }