mirror of
https://github.com/CVEProject/cvelist.git
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168 lines
12 KiB
JSON
168 lines
12 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2021-47237",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hamradio: fix memory leak in mkiss_close\n\nMy local syzbot instance hit memory leak in\nmkiss_open()[1]. The problem was in missing\nfree_netdev() in mkiss_close().\n\nIn mkiss_open() netdevice is allocated and then\nregistered, but in mkiss_close() netdevice was\nonly unregistered, but not freed.\n\nFail log:\n\nBUG: memory leak\nunreferenced object 0xffff8880281ba000 (size 4096):\n comm \"syz-executor.1\", pid 11443, jiffies 4295046091 (age 17.660s)\n hex dump (first 32 bytes):\n 61 78 30 00 00 00 00 00 00 00 00 00 00 00 00 00 ax0.............\n 00 27 fa 2a 80 88 ff ff 00 00 00 00 00 00 00 00 .'.*............\n backtrace:\n [<ffffffff81a27201>] kvmalloc_node+0x61/0xf0\n [<ffffffff8706e7e8>] alloc_netdev_mqs+0x98/0xe80\n [<ffffffff84e64192>] mkiss_open+0xb2/0x6f0 [1]\n [<ffffffff842355db>] tty_ldisc_open+0x9b/0x110\n [<ffffffff84236488>] tty_set_ldisc+0x2e8/0x670\n [<ffffffff8421f7f3>] tty_ioctl+0xda3/0x1440\n [<ffffffff81c9f273>] __x64_sys_ioctl+0x193/0x200\n [<ffffffff8911263a>] do_syscall_64+0x3a/0xb0\n [<ffffffff89200068>] entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nBUG: memory leak\nunreferenced object 0xffff8880141a9a00 (size 96):\n comm \"syz-executor.1\", pid 11443, jiffies 4295046091 (age 17.660s)\n hex dump (first 32 bytes):\n e8 a2 1b 28 80 88 ff ff e8 a2 1b 28 80 88 ff ff ...(.......(....\n 98 92 9c aa b0 40 02 00 00 00 00 00 00 00 00 00 .....@..........\n backtrace:\n [<ffffffff8709f68b>] __hw_addr_create_ex+0x5b/0x310\n [<ffffffff8709fb38>] __hw_addr_add_ex+0x1f8/0x2b0\n [<ffffffff870a0c7b>] dev_addr_init+0x10b/0x1f0\n [<ffffffff8706e88b>] alloc_netdev_mqs+0x13b/0xe80\n [<ffffffff84e64192>] mkiss_open+0xb2/0x6f0 [1]\n [<ffffffff842355db>] tty_ldisc_open+0x9b/0x110\n [<ffffffff84236488>] tty_set_ldisc+0x2e8/0x670\n [<ffffffff8421f7f3>] tty_ioctl+0xda3/0x1440\n [<ffffffff81c9f273>] __x64_sys_ioctl+0x193/0x200\n [<ffffffff8911263a>] do_syscall_64+0x3a/0xb0\n [<ffffffff89200068>] entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nBUG: memory leak\nunreferenced object 0xffff8880219bfc00 (size 512):\n comm \"syz-executor.1\", pid 11443, jiffies 4295046091 (age 17.660s)\n hex dump (first 32 bytes):\n 00 a0 1b 28 80 88 ff ff 80 8f b1 8d ff ff ff ff ...(............\n 80 8f b1 8d ff ff ff ff 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff81a27201>] kvmalloc_node+0x61/0xf0\n [<ffffffff8706eec7>] alloc_netdev_mqs+0x777/0xe80\n [<ffffffff84e64192>] mkiss_open+0xb2/0x6f0 [1]\n [<ffffffff842355db>] tty_ldisc_open+0x9b/0x110\n [<ffffffff84236488>] tty_set_ldisc+0x2e8/0x670\n [<ffffffff8421f7f3>] tty_ioctl+0xda3/0x1440\n [<ffffffff81c9f273>] __x64_sys_ioctl+0x193/0x200\n [<ffffffff8911263a>] do_syscall_64+0x3a/0xb0\n [<ffffffff89200068>] entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nBUG: memory leak\nunreferenced object 0xffff888029b2b200 (size 256):\n comm \"syz-executor.1\", pid 11443, jiffies 4295046091 (age 17.660s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffff81a27201>] kvmalloc_node+0x61/0xf0\n [<ffffffff8706f062>] alloc_netdev_mqs+0x912/0xe80\n [<ffffffff84e64192>] mkiss_open+0xb2/0x6f0 [1]\n [<ffffffff842355db>] tty_ldisc_open+0x9b/0x110\n [<ffffffff84236488>] tty_set_ldisc+0x2e8/0x670\n [<ffffffff8421f7f3>] tty_ioctl+0xda3/0x1440\n [<ffffffff81c9f273>] __x64_sys_ioctl+0x193/0x200\n [<ffffffff8911263a>] do_syscall_64+0x3a/0xb0\n [<ffffffff89200068>] entry_SYSCALL_64_after_hwframe+0x44/0xae"
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "815f62bf7427",
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"version_value": "c634ba0b4159"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "2.6.14",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.14",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.4.274",
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"lessThanOrEqual": "4.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.9.274",
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"lessThanOrEqual": "4.9.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.14.238",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.196",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.128",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.46",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.12.13",
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"lessThanOrEqual": "5.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.13",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/c634ba0b4159838ff45a60d3a0ace3b4118077a5",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/c634ba0b4159838ff45a60d3a0ace3b4118077a5"
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},
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{
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"url": "https://git.kernel.org/stable/c/3942d0f9ace1a95a74930b5b4fc0e5005c62b37b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/3942d0f9ace1a95a74930b5b4fc0e5005c62b37b"
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},
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{
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"url": "https://git.kernel.org/stable/c/765a8a04f828db7222b36a42b1031f576bfe95c3",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/765a8a04f828db7222b36a42b1031f576bfe95c3"
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},
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{
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"url": "https://git.kernel.org/stable/c/c16c4716a1b5ba4f83c7e00da457cba06761f119",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/c16c4716a1b5ba4f83c7e00da457cba06761f119"
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},
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{
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"url": "https://git.kernel.org/stable/c/a49cbb762ef20655f5c91abdc13658b0af5e159d",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/a49cbb762ef20655f5c91abdc13658b0af5e159d"
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},
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{
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"url": "https://git.kernel.org/stable/c/290b0b6432e2599021db0b8d6046f756d931c29f",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/290b0b6432e2599021db0b8d6046f756d931c29f"
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},
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{
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"url": "https://git.kernel.org/stable/c/f4de2b43d13b7cf3ced9310e371b90c836dbd7cd",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/f4de2b43d13b7cf3ced9310e371b90c836dbd7cd"
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},
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{
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"url": "https://git.kernel.org/stable/c/7edcc682301492380fbdd604b4516af5ae667a13",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/7edcc682301492380fbdd604b4516af5ae667a13"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |