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Red Hat Security Advisory 2023-6583-01

Red Hat Security Advisory 2023-6583-01
Posted Nov 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6583-01 - An update for kernel is now available for Red Hat Enterprise Linux 9. Issues addressed include double free, information leakage, null pointer, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-3523
SHA-256 | c405682a2d402d92e7e648855df1aa289a3d600803d21107d2c1cfa6a2ec063d

Red Hat Security Advisory 2023-6583-01

Change Mirror Download

The following data is constructed from data provided by Red Hat's json file at:


Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.

- Packet Storm Staff

Red Hat Security Advisory

Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2023:6583-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:6583
Issue date: 2023-11-07
Revision: 01
CVE Names: CVE-2022-3523


An update for kernel is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.


The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)

* kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)

* kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)

* Kernel: race when faulting a device private page in memory manager (CVE-2022-3523)

* kernel: use-after-free in l1oip timer handlers (CVE-2022-3565)

* kernel: Rate limit overflow messages in r8152 in intr_callback (CVE-2022-3594)

* kernel: vmwgfx: use-after-free in vmw_cmd_res_check (CVE-2022-38457)

* kernel: vmwgfx: use-after-free in vmw_execbuf_tie_context (CVE-2022-40133)

* hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

* kernel: Information leak in l2cap_parse_conf_req in net/bluetooth/l2cap_core.c (CVE-2022-42895)

* kernel: x86/mm: Randomize per-cpu entry area (CVE-2023-0597)

* kernel: HID: check empty report_list in hid_validate_values() (CVE-2023-1073)

* kernel: sctp: fail if no bound addresses can be used for a given scope (CVE-2023-1074)

* kernel: hid: Use After Free in asus_remove() (CVE-2023-1079)

* kernel: hash collisions in the IPv6 connection lookup table (CVE-2023-1206)

* kernel: ovl: fix use after free in struct ovl_aio_req (CVE-2023-1252)

* Kernel: use-after-free in nfsd4_ssc_setup_dul in fs/nfsd/nfs4proc.c (CVE-2023-1652)

* kernel: Use after free bug in btsdio_remove due to race condition (CVE-2023-1989)

* kernel: fbcon: shift-out-of-bounds in fbcon_set_font() (CVE-2023-3161)

* kernel: out-of-bounds access in relay_file_read (CVE-2023-3268)

* kernel: xfrm: NULL pointer dereference in xfrm_update_ae_params() (CVE-2023-3772)

* kernel: xfrm: out-of-bounds read of XFRMA_MTIMER_THRESH nlattr (CVE-2023-3773)

* kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability (CVE-2023-4155)

* kernel: exFAT: stack overflow in exfat_get_uniname_from_ext_entry (CVE-2023-4273)

* kernel: mpls: double free on sysctl allocation failure (CVE-2023-26545)

* kernel: KVM: nVMX: missing consistency checks for CR0 and CR4 (CVE-2023-30456)

* kernel: net: qcom/emac: race condition leading to use-after-free in emac_remove() (CVE-2023-33203)

* kernel: vmwgfx: race condition leading to information disclosure vulnerability (CVE-2023-33951)

* kernel: vmwgfx: double free within the handling of vmw_buffer_object objects (CVE-2023-33952)

* kernel: r592: race condition leading to use-after-free in r592_remove() (CVE-2023-35825)

* kernel: net/tls: tls_is_tx_ready() checked list_entry (CVE-2023-1075)

* kernel: tap: tap_open(): correctly initialize socket uid (CVE-2023-1076)

* kernel: missing mmap_lock in file_files_note that could possibly lead to a use after free in the coredump code (CVE-2023-1249)

* kernel: use-after-free bug in remove function xgene_hwmon_remove (CVE-2023-1855)

* kernel: Use after free bug in r592_remove (CVE-2023-3141)

* kernel: gfs2: NULL pointer dereference in gfs2_evict_inode() (CVE-2023-3212)

* kernel: NULL pointer dereference due to missing kalloc() return value check in shtp_cl_get_dma_send_buf() (CVE-2023-3358)

* kernel: tap: tap_open(): correctly initialize socket uid next fix of i_uid to current_fsuid (CVE-2023-4194)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.3 Release Notes linked from the References section.







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