CVE-2022-25636

CVE-2022-25636 affects the Linux kernel (5.4–5.6.10) via an out-of-bounds heap write in net/netfilter/nf_dup_netdev.c related to nf_tables_offload. This enables local privilege escalation. The connected documents confirm the affected range and the heap OOB write, but do not provide a detailed fix...

CVE-2023-4004

CVE-2023-4004 is a use-after-free in the Linux kernel’s netfilter nft_pipapo_remove() path when triggering the element without NFT_SET_EXT_KEY_END. This vulnerability can let a local attacker crash the system or potentially escalate privileges. The issue is tied to nf_tables/netfilter behavior an...

CVE-2023-35001

CVE-2023-35001 is a Linux kernel nftables vulnerability where the nft_byteorder expression mishandles vm register contents when CAP_NET_ADMIN exists in any user or network namespace, causing an out-of-bounds read/write in the nf_tables nft_byteorder path. Public references in the provided documen...

CVE-2023-3390

CVE-2023-3390 is a local-use-after-free vulnerability in Linux kernel nftables (net/netfilter/nf_tables_api.c) caused by mishandled NFT_MSG_NEWRULE error paths, enabling a local attacker with CAP_SYS_ADMIN to trigger a privilege escalation. Public advisories (Amazon Linux 2/ALAS, Astra Linux, Deb...

CVE-2019-20636

CVE-2019-20636 affects the Linux kernel prior to 5.4.12. The vulnerability is an out-of-bounds write in drivers/input/input.c via a crafted keycode table in input_set_keycode, enabling a local attacker with root privileges to corrupt memory and potentially execute arbitrary code or cause a denial...

CVE-2023-1989

CVE-2023-1989 affects the Linux kernel, in particular the bluetooth driver path drivers/bluetooth/btsdio.c, function btsdio_remove. A call to btsdio_remove with an unfinished job can create a race condition that leads to a use-after-free (UAF) on hdev devices. Connected Astra Linux bulletin mirro...

CVE-2023-28466

Summary: CVE-2023-28466 affects the Linux kernel up to 6.2.6, where do_tls_getsockopt in net/tls/tls_main.c can race due to a missing lock_sock, causing a use-after-free or NULL pointer dereference. The condition is a local, kernel‑level issue with potential crashes or memory corruption as descri...

CVE-2023-1838

The CVE-2023-1838 entry centers on a use-after-free flaw in the Linux kernel’s vhost_net_set_backend (drivers/vhost/net.c, virtio network subcomponent) caused by a double fget. This can allow a local attacker to crash the system and potentially leak kernel information. Connected documents (Astra ...

CVE-2023-32250

CVE-2023-32250 : A race condition in the Linux kernel ksmbd SMB server’s handling of SMB2_SESSION_SETUP commands due to missing locking can allow an attacker to execute code in kernel context. The vulnerability is tied to the in-kernel ksmbd implementation and is reflected in multiple advisories ...

CVE-2023-38426

The CVE-2023-38426 issue affects the Linux kernel prior to 6.3.4, specifically ksmbd’s SMB2 path where an out-of-bounds read occurs in smb2_find_context_vals if create_context’s name_len exceeds the tag length. Public references (kernel commit and ChangeLog-6.3.4) confirm the vulnerability contex...

CVE-2023-35828

CVE-2023-35828 affects the Linux kernel with a use-after-free in the Renesas USB3 gadget driver (drivers/usb/gadget/udc/renesas_usb3.c: renesas_usb3_remove). The vulnerability is triggered in certain removal paths, enabling local attackers to potentially crash the kernel or escalate privileges. A...

CVE-2023-35829

Affected software: Linux kernel (before 6.3.2). Vulnerability: a use-after-free in rkvdec_remove() in drivers/staging/media/rkvdec/rkvdec.c. Impact: local attacker could exploit a UAF to crash or potentially escalate privileges (as per CVSS high). Root cause: use-after-free in rkvdec_remove. Affe...

CVE-2022-48502

CVE-2022-48502 affects the Linux kernel ntfs3 subsystem. A vulnerability in fs/ntfs3/xattr.c (ntfs_set_ea) allows an out-of-bounds read during disk reads due to improper checks. This is described in multiple sources (Linux kernel advisories and vendor bulletins) as present in kernels before 6.2. ...

CVE-2023-32247

CVE-2023-32247 affects the Linux kernel ksmbd SMB server. The flaw is in SMB2_SESSION_SETUP handling and stems from lack of resource-control, enabling a remote attacker to trigger a denial-of-service (A: HIGH, CVSS 3.1: 7.5). The issue is exploitable over network with no privileges required and n...

CVE-2023-38427

The connected documents confirm CVE-2023-38427 affects the Linux kernel (ksmbd) via an integer underflow and an out-of-bounds read in fs/smb/server/smb2pdu.c (deassemble_neg_contexts) and that a fix was released in Linux kernel 6.3.8. Practical impact is high due to potential data exposure and co...

CVE-2023-38431

The CVE-2023-38431 issue affects the Linux kernel ksmbd (fs/smb/server/connection.c) prior to 6.3.8, where NetBIOS header length is not validated against SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, causing an out-of-bounds read. Remediation: upgrade to kernel 6.3.8 or later (per Ch...

CVE-2023-32254

CVE-2023-32254 affects the Linux kernel ksmbd SMB server, due to missing locking when processing SMB2_TREE_DISCONNECT commands. The flaw can allow code execution in kernel context. Multiple connected sources (Ubuntu USNs 6173/6283, Astra Linux bulletin, CBL-Mariner entries) confirm ksmbd involvem...

CVE-2023-32258

CVE-2023-32258 affects the Linux kernel ksmbd SMB server. The flaw occurs in processing SMB2_LOGOFF and SMB2_CLOSE due to missing locking when operating on an object, allowing code execution in kernel context. Connected documents confirm this is a ksmbd in-kernel vulnerability with high impact (C...

CVE-2023-32257

CVE-2023-32257 affects the Linux kernel ksmbd (the in-kernel SMB server). The vulnerability stems from lack of proper locking when processing SMB2_SESSION_SETUP and SMB2_LOGOFF, enabling an attacker to execute code in the kernel context. The initial description documents the root cause and impact...

CVE-2023-38432

CVE-2023-38432 affects the Linux kernel prior to 6.3.10. The KSMBD SMB2 server (fs/smb/server/smb2misc.c) does not validate the relationship between the SMB command payload size and RFC1002 length, causing an out-of-bounds read. Impact: potential information disclosure or crash as stated by affec...

CVE-2023-32248

CVE-2023-32248 describes a flaw in the Linux kernel’s ksmbd (the in-kernel SMB server) related to the handling of SMB2_TREE_CONNECT and SMB2_QUERY_INFO. The issue stems from the lack of proper validation of a pointer before access, which attackers can leverage to cause a denial-of-service conditi...

CVE-2023-38430

The CVE-2023-38430 issue affects the ksmbd SMB server in the Linux kernel and is caused by insufficient validation of the SMB request protocol ID, leading to an out-of-bounds read in kernels before 6.3.9. The vulnerability is documented across multiple feeds (Ubuntu USNs and Nessus/OpenVAS adviso...

CVE-2023-38428

CVE-2023-38428 affects the Linux kernel (ksmbd) where fs/ksmbd/smb2pdu.c does not properly validate the UserName value because it ignores the address of the security buffer, causing an out-of-bounds read. The public description confirms the issue exists in kernels before 6.3.4. The connected docs...

CVE-2023-35826

CVE-2023-35826 affects the Linux kernel before 6.3.2, with a use-after-free in cedrus_remove (drivers/staging/media/sunxi/cedrus/cedrus.c). The issue is described in the NVD entry and corroborated by related advisories; the root cause is a resource management/use-after-free in the cedrus driver. ...

CVE-2023-1295

CVE-2023-1295 describes a time-of-check to time-of-use issue in the Linux kernel io_uring IORING_OP_CLOSE path, affecting kernels 5.6–5.11 (inclusive). The flaw, a local privilege escalation, is introduced by the commit b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb and patched in 9eac1904d3364254d622b...