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CVE-2022-42432

kernel: netfilter: nfnetlink_osf: uninitialized variable information disclosure vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nft_osf_eval function. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-18540.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Linux Kernel Enterprise Linux
CVE-2022-2586

kernel: nf_tables cross-table potential use-after-free may lead to local privilege escalation

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

CVSS 3.1 · 5.3 Medium EPSS 10.2% KEV · Listed
Vendors
Canonical Linux Redhat and 2 more
Products
Ubuntu Linux Linux Kernel Enterprise Linux and 12 more
CVE-2022-41674

kernel: u8 overflow problem in cfg80211_update_notlisted_nontrans()

An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer overflow in the ieee80211_bss_info_update function in net/mac80211/scan.c.

CVSS 3.1 · 8.1 High EPSS 4.1% KEV · Not listed
Vendors
Debian Fedoraproject Linux and 1 more
Products
Debian Linux Fedora Linux Kernel and 3 more
CVE-2022-41218

kernel: Report vmalloc UAF in dvb-core/dmxdev

In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused by refcount races, affecting dvb_demux_open and dvb_dmxdev_release.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Redhat
Products
Debian Linux Linux Kernel Enterprise Linux and 2 more
CVE-2022-40304

libxml2: dict corruption caused by entity reference cycles

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.

CVSS 3.1 · 7.8 High EPSS 5.8% KEV · Not listed
Vendors
Apple Netapp Redhat and 1 more
Products
Ipados Iphone Os Macos and 22 more
CVE-2022-40303

libxml2: integer overflows with XML_PARSE_HUGE

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

CVSS 3.1 · 7.5 High EPSS 41.4% KEV · Not listed
Vendors
Apple Netapp Redhat and 1 more
Products
Ipados Iphone Os Macos and 22 more
CVE-2022-39188

kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Redhat
Products
Debian Linux Linux Kernel Enterprise Linux and 2 more
CVE-2022-37454

XKCP: buffer overflow in the SHA-3 reference implementation

The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.

CVSS 3.1 · 9.8 Critical EPSS 7.4% KEV · Not listed
Vendors
Debian Extended Keccak Code Package Project Fedoraproject and 6 more
Products
Debian Linux Extended Keccak Code Package Fedora and 6 more
CVE-2022-36946

kernel: DoS in nfqnl_mangle in net/netfilter/nfnetlink_queue.c

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

CVSS 3.1 · 7.5 High EPSS 8.9% KEV · Not listed
Vendors
Debian Linux Netapp and 1 more
Products
Debian Linux Linux Kernel Active Iq Unified Manager and 7 more
CVE-2022-36879

kernel: xfrm_expand_policies() in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Linux Netapp and 1 more
Products
Debian Linux Linux Kernel A700s and 43 more
CVE-2022-35252

curl: Incorrect handling of control code characters in cookies

When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings.

CVSS 3.1 · 3.7 Low EPSS 3.8% KEV · Not listed
Vendors
Apple Debian Haxx and 3 more
Products
Macos Debian Linux Curl and 18 more
CVE-2022-34918

kernel: heap overflow in nft_set_elem_init()

An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.

CVSS 3.1 · 7.8 High EPSS 5.5% KEV · Not listed
Vendors
Canonical Debian Linux and 2 more
Products
Ubuntu Linux Debian Linux Linux Kernel and 11 more
CVE-2022-32250

kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

CVSS 3.1 · 7.8 High EPSS 2.9% KEV · Not listed
Vendors
Debian Fedoraproject Linux and 2 more
Products
Debian Linux Fedora Linux Kernel and 17 more
CVE-2022-32221

curl: POST following PUT confusion

When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the subsequent `POST` request. The problem exists in the logic for a reused handle when it is changed from a PUT to a POST.

CVSS 3.1 · 9.8 Critical EPSS 5.1% KEV · Not listed
Vendors
Apple Debian Haxx and 3 more
Products
Macos Debian Linux Curl and 13 more
CVE-2022-32208

curl: FTP-KRB bad message verification

When curl < 7.84.0 does FTP transfers secured by krb5, it handles message verification failures wrongly. This flaw makes it possible for a Man-In-The-Middle attack to go unnoticed and even allows it to inject data to the client.

CVSS 3.1 · 5.9 Medium EPSS 8.4% KEV · Not listed
Vendors
Apple Debian Fedoraproject and 4 more
Products
Macos Debian Linux Fedora and 18 more