| Reporter | Title | Published | Views | Family All 95 |
|---|---|---|---|---|
| The vulnerability of the blktrace kernel component in the Linux operating system allows a perpetrator to compromise the confidentiality, integrity, and accessibility of the protected information. | 3 Sep 202400:00 | – | bdu_fstec | |
| Linux kernel 安全漏洞 | 22 Aug 202400:00 | – | cnnvd | |
| CVE-2022-48913 | 22 Aug 202401:31 | – | cve | |
| CVE-2022-48913 blktrace: fix use after free for struct blk_trace | 22 Aug 202401:31 | – | cvelist | |
| CVE-2022-48913 | 22 Aug 202401:31 | – | debiancve | |
| CVE-2022-48913 | 22 Aug 202402:15 | – | nvd | |
| openSUSE Security Advisory (SUSE-SU-2024:3190-1) | 12 Sep 202400:00 | – | openvas | |
| openSUSE Security Advisory (SUSE-SU-2024:3209-1) | 12 Sep 202400:00 | – | openvas | |
| openSUSE: Security Advisory for the Linux Kernel (SUSE-SU-2024:3408-1) | 26 Sep 202400:00 | – | openvas | |
| openSUSE Security Advisory (SUSE-SU-2024:3483-1) | 30 Sep 202400:00 | – | openvas |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
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script_cve_id("CVE-2022-48913");
script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2022-48913");
script_set_attribute(attribute:"synopsis", value:
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patched.");
script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.
- In the Linux kernel, the following vulnerability has been resolved: blktrace: fix use after free for
struct blk_trace When tracing the whole disk, 'dropped' and 'msg' will be created under 'q->debugfs_dir'
and 'bt->dir' is NULL, thus blk_trace_free() won't remove those files. What's worse, the following UAF can
be triggered because of accessing stale 'dropped' and 'msg':
================================================================== BUG: KASAN: use-after-free in
blk_dropped_read+0x89/0x100 Read of size 4 at addr ffff88816912f3d8 by task blktrace/1188 CPU: 27 PID:
1188 Comm: blktrace Not tainted 5.17.0-rc4-next-20220217+ #469 Hardware name: QEMU Standard PC (i440FX +
PIIX, 1996), BIOS ?-20190727_073836-4 Call Trace: <TASK> dump_stack_lvl+0x34/0x44
print_address_description.constprop.0.cold+0xab/0x381 ? blk_dropped_read+0x89/0x100 ?
blk_dropped_read+0x89/0x100 kasan_report.cold+0x83/0xdf ? blk_dropped_read+0x89/0x100
kasan_check_range+0x140/0x1b0 blk_dropped_read+0x89/0x100 ? blk_create_buf_file_callback+0x20/0x20 ?
kmem_cache_free+0xa1/0x500 ? do_sys_openat2+0x258/0x460 full_proxy_read+0x8f/0xc0 vfs_read+0xc6/0x260
ksys_read+0xb9/0x150 ? vfs_write+0x3d0/0x3d0 ? fpregs_assert_state_consistent+0x55/0x60 ?
exit_to_user_mode_prepare+0x39/0x1e0 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP:
0033:0x7fbc080d92fd Code: ce 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 1 RSP:
002b:00007fbb95ff9cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX:
00007fbb95ff9dc0 RCX: 00007fbc080d92fd RDX: 0000000000000100 RSI: 00007fbb95ff9cc0 RDI: 0000000000000045
RBP: 0000000000000045 R08: 0000000000406299 R09: 00000000fffffffd R10: 000000000153afa0 R11:
0000000000000293 R12: 00007fbb780008c0 R13: 00007fbb78000938 R14: 0000000000608b30 R15: 00007fbb780029c8
</TASK> Allocated by task 1050: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0
do_blk_trace_setup+0xcb/0x410 __blk_trace_setup+0xac/0x130 blk_trace_ioctl+0xe9/0x1c0
blkdev_ioctl+0xf1/0x390 __x64_sys_ioctl+0xa5/0xe0 do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae Freed by task 1050: kasan_save_stack+0x1e/0x40
kasan_set_track+0x21/0x30 kasan_set_free_info+0x20/0x30 __kasan_slab_free+0x103/0x180 kfree+0x9a/0x4c0
__blk_trace_remove+0x53/0x70 blk_trace_ioctl+0x199/0x1c0 blkdev_common_ioctl+0x5e9/0xb30
blkdev_ioctl+0x1a5/0x390 __x64_sys_ioctl+0xa5/0xe0 do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae The buggy address belongs to the object at ffff88816912f380 which
belongs to the cache kmalloc-96 of size 96 The buggy address is located 88 bytes inside of 96-byte region
[ffff88816912f380, ffff88816912f3e0) The buggy address belongs to the page: page:000000009a1b4e7c
refcount:1 mapcount:0 mapping:0000000000000000 index:0x0f flags:
0x17ffffc0000200(slab|node=0|zone=2|lastcpupid=0x1fffff) raw: 0017ffffc0000200 ffffea00044f1100
dead000000000002 ffff88810004c780 raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88816912f280:
fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff88816912f300: fa fb fb fb fb fb fb fb fb fb fb fb fc
fc fc fc >ffff88816912f380: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff88816912f400: fa fb fb
fb fb fb fb fb fb fb fb fb fc fc fc fc ffff88816912f480: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
================================================================== (CVE-2022-48913)
Note that Nessus relies on the presence of the package as reported by the vendor.");
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script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Misc.");
script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("set_linux_os_id.nasl", "ssh_get_info2.nasl");
script_require_keys("Host/OS/identifier", "Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched");
script_require_ports("Host/OS/CentOS Linux-8", "Host/OS/Red Hat Enterprise Linux-8", "Host/OS/Red Hat Enterprise Linux-9", "Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04");
exit(0);
}
if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/CentOS/rpm-list")) && empty_or_null(get_one_kb_item("Host/Debian/dpkg-l")) && empty_or_null(get_one_kb_item("Host/RedHat/rpm-list"))) audit(AUDIT_PACKAGE_LIST_MISSING);
include('linux_unpatched.inc');
var distro_constraints_array = {
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"constraints": [
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},
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}
]
},
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{
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{
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{"reference": "bpftool"},
{"reference": "kernel"},
{"reference": "kernel-abi-stablelists"},
{"reference": "kernel-abi-whitelists"},
{"reference": "kernel-core"},
{"reference": "kernel-cross-headers"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-core"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-debug-modules"},
{"reference": "kernel-debug-modules-extra"},
{"reference": "kernel-debug-modules-internal"},
{"reference": "kernel-devel"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-ipaclones-internal"},
{"reference": "kernel-modules"},
{"reference": "kernel-modules-extra"},
{"reference": "kernel-modules-internal"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-selftests-internal"},
{"reference": "kernel-selftests-internal"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "kernel-zfcpdump"},
{"reference": "kernel-zfcpdump-core"},
{"reference": "kernel-zfcpdump-devel"},
{"reference": "kernel-zfcpdump-modules"},
{"reference": "kernel-zfcpdump-modules-extra"},
{"reference": "kernel-zfcpdump-modules-internal"},
{"reference": "perf"},
{"reference": "python3-perf"}
]
}
]
},
"Red Hat Enterprise Linux-8": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "8",
"pkgs": [
{"reference": "bpftool"},
{"reference": "kernel"},
{"reference": "kernel-abi-stablelists"},
{"reference": "kernel-abi-whitelists"},
{"reference": "kernel-core"},
{"reference": "kernel-cross-headers"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-core"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-debug-modules"},
{"reference": "kernel-debug-modules-extra"},
{"reference": "kernel-debug-modules-internal"},
{"reference": "kernel-devel"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-ipaclones-internal"},
{"reference": "kernel-modules"},
{"reference": "kernel-modules-extra"},
{"reference": "kernel-modules-internal"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-selftests-internal"},
{"reference": "kernel-selftests-internal"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "kernel-zfcpdump"},
{"reference": "kernel-zfcpdump-core"},
{"reference": "kernel-zfcpdump-devel"},
{"reference": "kernel-zfcpdump-modules"},
{"reference": "kernel-zfcpdump-modules-extra"},
{"reference": "kernel-zfcpdump-modules-internal"},
{"reference": "perf"},
{"reference": "python3-perf"}
]
}
]
},
"Red Hat Enterprise Linux-9": {
"package_manager": "rpm-list",
"constraints": [
{
"release": "9",
"pkgs": [
{"reference": "bpftool"},
{"reference": "kernel"},
{"reference": "kernel-64k"},
{"reference": "kernel-64k-core"},
{"reference": "kernel-64k-debug"},
{"reference": "kernel-64k-debug-core"},
{"reference": "kernel-64k-debug-devel"},
{"reference": "kernel-64k-debug-devel-matched"},
{"reference": "kernel-64k-debug-modules"},
{"reference": "kernel-64k-debug-modules-core"},
{"reference": "kernel-64k-debug-modules-extra"},
{"reference": "kernel-64k-debug-modules-internal"},
{"reference": "kernel-64k-debug-modules-partner"},
{"reference": "kernel-64k-devel"},
{"reference": "kernel-64k-devel-matched"},
{"reference": "kernel-64k-modules"},
{"reference": "kernel-64k-modules-core"},
{"reference": "kernel-64k-modules-extra"},
{"reference": "kernel-64k-modules-internal"},
{"reference": "kernel-64k-modules-partner"},
{"reference": "kernel-abi-stablelists"},
{"reference": "kernel-core"},
{"reference": "kernel-cross-headers"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-core"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-debug-devel-matched"},
{"reference": "kernel-debug-modules"},
{"reference": "kernel-debug-modules-core"},
{"reference": "kernel-debug-modules-extra"},
{"reference": "kernel-debug-modules-internal"},
{"reference": "kernel-debug-modules-partner"},
{"reference": "kernel-debug-uki-virt"},
{"reference": "kernel-debug-uki-virt-addons"},
{"reference": "kernel-devel"},
{"reference": "kernel-devel-matched"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-ipaclones-internal"},
{"reference": "kernel-modules"},
{"reference": "kernel-modules-core"},
{"reference": "kernel-modules-extra"},
{"reference": "kernel-modules-internal"},
{"reference": "kernel-modules-partner"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-64k"},
{"reference": "kernel-rt-64k-core"},
{"reference": "kernel-rt-64k-debug"},
{"reference": "kernel-rt-64k-debug-core"},
{"reference": "kernel-rt-64k-debug-devel"},
{"reference": "kernel-rt-64k-debug-devel-matched"},
{"reference": "kernel-rt-64k-debug-kvm"},
{"reference": "kernel-rt-64k-debug-modules"},
{"reference": "kernel-rt-64k-debug-modules-core"},
{"reference": "kernel-rt-64k-debug-modules-extra"},
{"reference": "kernel-rt-64k-debug-modules-internal"},
{"reference": "kernel-rt-64k-debug-modules-partner"},
{"reference": "kernel-rt-64k-devel"},
{"reference": "kernel-rt-64k-devel-matched"},
{"reference": "kernel-rt-64k-kvm"},
{"reference": "kernel-rt-64k-modules"},
{"reference": "kernel-rt-64k-modules-core"},
{"reference": "kernel-rt-64k-modules-extra"},
{"reference": "kernel-rt-64k-modules-internal"},
{"reference": "kernel-rt-64k-modules-partner"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-devel-matched"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-core"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-debug-modules-partner"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-devel-matched"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-core"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-modules-partner"},
{"reference": "kernel-rt-selftests-internal"},
{"reference": "kernel-selftests-internal"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "kernel-uki-virt"},
{"reference": "kernel-uki-virt-addons"},
{"reference": "kernel-zfcpdump"},
{"reference": "kernel-zfcpdump-core"},
{"reference": "kernel-zfcpdump-devel"},
{"reference": "kernel-zfcpdump-devel-matched"},
{"reference": "kernel-zfcpdump-modules"},
{"reference": "kernel-zfcpdump-modules-core"},
{"reference": "kernel-zfcpdump-modules-extra"},
{"reference": "kernel-zfcpdump-modules-internal"},
{"reference": "kernel-zfcpdump-modules-partner"},
{"reference": "libperf"},
{"reference": "libperf-devel"},
{"reference": "perf"},
{"reference": "python3-perf"},
{"reference": "rtla"},
{"reference": "rv"}
]
}
]
}
};
var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);
if (!empty_or_null(report))
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : report
);
exit(0);
}
else
{
audit(AUDIT_HOST_NOT, 'affected');
}
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