{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-26608", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.130Z", "datePublished": "2024-02-29T15:52:14.626Z", "dateUpdated": "2024-08-02T00:07:19.615Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:19:28.569Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix global oob in ksmbd_nl_policy\n\nSimilar to a reported issue (check the commit b33fb5b801c6 (\"net:\nqualcomm: rmnet: fix global oob in rmnet_policy\"), my local fuzzer finds\nanother global out-of-bounds read for policy ksmbd_nl_policy. See bug\ntrace below:\n\n==================================================================\nBUG: KASAN: global-out-of-bounds in validate_nla lib/nlattr.c:386 [inline]\nBUG: KASAN: global-out-of-bounds in __nla_validate_parse+0x24af/0x2750 lib/nlattr.c:600\nRead of size 1 at addr ffffffff8f24b100 by task syz-executor.1/62810\n\nCPU: 0 PID: 62810 Comm: syz-executor.1 Tainted: G N 6.1.0 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014\nCall Trace:\n \n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:284 [inline]\n print_report+0x172/0x475 mm/kasan/report.c:395\n kasan_report+0xbb/0x1c0 mm/kasan/report.c:495\n validate_nla lib/nlattr.c:386 [inline]\n __nla_validate_parse+0x24af/0x2750 lib/nlattr.c:600\n __nla_parse+0x3e/0x50 lib/nlattr.c:697\n __nlmsg_parse include/net/netlink.h:748 [inline]\n genl_family_rcv_msg_attrs_parse.constprop.0+0x1b0/0x290 net/netlink/genetlink.c:565\n genl_family_rcv_msg_doit+0xda/0x330 net/netlink/genetlink.c:734\n genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]\n genl_rcv_msg+0x441/0x780 net/netlink/genetlink.c:850\n netlink_rcv_skb+0x14f/0x410 net/netlink/af_netlink.c:2540\n genl_rcv+0x24/0x40 net/netlink/genetlink.c:861\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0x54e/0x800 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x930/0xe50 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg+0x154/0x190 net/socket.c:734\n ____sys_sendmsg+0x6df/0x840 net/socket.c:2482\n ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536\n __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7fdd66a8f359\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fdd65e00168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nRAX: ffffffffffffffda RBX: 00007fdd66bbcf80 RCX: 00007fdd66a8f359\nRDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000003\nRBP: 00007fdd66ada493 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffc84b81aff R14: 00007fdd65e00300 R15: 0000000000022000\n \n\nThe buggy address belongs to the variable:\n ksmbd_nl_policy+0x100/0xa80\n\nThe buggy address belongs to the physical page:\npage:0000000034f47940 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1ccc4b\nflags: 0x200000000001000(reserved|node=0|zone=2)\nraw: 0200000000001000 ffffea00073312c8 ffffea00073312c8 0000000000000000\nraw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\n\nMemory state around the buggy address:\n ffffffff8f24b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n ffffffff8f24b080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n>ffffffff8f24b100: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 07 f9\n ^\n ffffffff8f24b180: f9 f9 f9 f9 00 05 f9 f9 f9 f9 f9 f9 00 00 00 05\n ffffffff8f24b200: f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9 00 00 04 f9\n==================================================================\n\nTo fix it, add a placeholder named __KSMBD_EVENT_MAX and let\nKSMBD_EVENT_MAX to be its original value - 1 according to what other\nnetlink families do. Also change two sites that refer the\nKSMBD_EVENT_MAX to correct value." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/smb/server/ksmbd_netlink.h", "fs/smb/server/transport_ipc.c" ], "versions": [ { "version": "0626e6641f6b", "lessThan": "aaa1f1a2ee80", "status": "affected", "versionType": "git" }, { "version": "0626e6641f6b", "lessThan": "2c939c74ef0b", "status": "affected", "versionType": "git" }, { "version": "0626e6641f6b", "lessThan": "9863a53100f4", "status": "affected", "versionType": "git" }, { "version": "0626e6641f6b", "lessThan": "6993328a4cd6", "status": "affected", "versionType": "git" }, { "version": "0626e6641f6b", "lessThan": "ebeae8adf89d", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/smb/server/ksmbd_netlink.h", "fs/smb/server/transport_ipc.c" ], "versions": [ { "version": "5.15", "status": "affected" }, { "version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.76", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.15", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.3", "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/aaa1f1a2ee80888c12ae2783f3a0be10e14067c5" }, { "url": "https://git.kernel.org/stable/c/2c939c74ef0b74e99b92e32edc2a59f9b9ca3d5a" }, { "url": "https://git.kernel.org/stable/c/9863a53100f47652755545c2bd43e14a1855104d" }, { "url": "https://git.kernel.org/stable/c/6993328a4cd62a24df254b587c0796a4a1eecc95" }, { "url": "https://git.kernel.org/stable/c/ebeae8adf89d9a82359f6659b1663d09beec2faa" } ], "title": "ksmbd: fix global oob in ksmbd_nl_policy", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-26608", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-03-11T20:32:13.844723Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-05T17:22:14.928Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.615Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/aaa1f1a2ee80888c12ae2783f3a0be10e14067c5", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2c939c74ef0b74e99b92e32edc2a59f9b9ca3d5a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9863a53100f47652755545c2bd43e14a1855104d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6993328a4cd62a24df254b587c0796a4a1eecc95", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ebeae8adf89d9a82359f6659b1663d09beec2faa", "tags": [ "x_transferred" ] } ] } ] } }