The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_6567.json

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:           Moderate: kernel security update
Advisory ID:        RHSA-2024:6567-03
Product:            Red Hat Enterprise Linux
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:6567
Issue date:         2024-09-11
Revision:           03
CVE Names:          CVE-2023-52463
====================================================================

Summary: 

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 Moderate. 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.




Description:

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

Security Fix(es):

* kernel: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

* kernel: nfsd: fix RELEASE_LOCKOWNER (CVE-2024-26629)

* kernel: mm: cachestat: fix folio read-after-free in cache walk (CVE-2024-26630)

* kernel: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again (CVE-2024-26720)

* kernel: Bluetooth: af_bluetooth: Fix deadlock (CVE-2024-26886)

* kernel: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address (CVE-2024-26946)

* kernel: KVM: SVM: Flush pages under kvm->lock to fix UAF in svm_register_enc_region() (CVE-2024-35791)

* kernel: mm: cachestat: fix two shmem bugs (CVE-2024-35797)

* kernel: x86/coco: Require seeding RNG with RDRAND on CoCo systems (CVE-2024-35875)

* kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

* kernel: iommufd: Fix missing update of domains_itree after splitting iopt_area (CVE-2023-52801)

* kernel: net: fix out-of-bounds access in ops_init (CVE-2024-36883)

* kernel: regmap: maple: Fix cache corruption in regcache_maple_drop() (CVE-2024-36019)

* kernel: usb-storage: alauda: Check whether the media is initialized (CVE-2024-38619)

* kernel: net: bridge: mst: fix vlan use-after-free (CVE-2024-36979)

* kernel: scsi: qedf: Ensure the copied buf is NUL terminated (CVE-2024-38559)

* kernel: xhci: Handle TD clearing for multiple streams case (CVE-2024-40927)

* kernel: cxl/region: Fix memregion leaks in devm_cxl_add_region() (CVE-2024-40936)

* kernel: net/sched: Fix UAF when resolving a clash (CVE-2024-41040)

* kernel: ppp: reject claimed-as-LCP but actually malformed packets (CVE-2024-41044)

* kernel: mm: prevent derefencing NULL ptr in pfn_section_valid() (CVE-2024-41055)

* kernel: PCI/MSI: Fix UAF in msi_capability_init (CVE-2024-41096)

* kernel: xdp: Remove WARN() from __xdp_reg_mem_model() (CVE-2024-42082)

* kernel: x86: stop playing stack games in profile_pc() (CVE-2024-42096)

* kernel: Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again" (CVE-2024-42102)

* kernel: mm: avoid overflows in dirty throttling logic (CVE-2024-42131)

* kernel: nvme: avoid double free special payload (CVE-2024-41073)

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.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2023-52463

References:

https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2265797
https://bugzilla.redhat.com/show_bug.cgi?id=2269434
https://bugzilla.redhat.com/show_bug.cgi?id=2269436
https://bugzilla.redhat.com/show_bug.cgi?id=2273141
https://bugzilla.redhat.com/show_bug.cgi?id=2275678
https://bugzilla.redhat.com/show_bug.cgi?id=2278206
https://bugzilla.redhat.com/show_bug.cgi?id=2281052
https://bugzilla.redhat.com/show_bug.cgi?id=2281151
https://bugzilla.redhat.com/show_bug.cgi?id=2281727
https://bugzilla.redhat.com/show_bug.cgi?id=2281968
https://bugzilla.redhat.com/show_bug.cgi?id=2282709
https://bugzilla.redhat.com/show_bug.cgi?id=2284271
https://bugzilla.redhat.com/show_bug.cgi?id=2284402
https://bugzilla.redhat.com/show_bug.cgi?id=2293273
https://bugzilla.redhat.com/show_bug.cgi?id=2293276
https://bugzilla.redhat.com/show_bug.cgi?id=2293440
https://bugzilla.redhat.com/show_bug.cgi?id=2297511
https://bugzilla.redhat.com/show_bug.cgi?id=2297520
https://bugzilla.redhat.com/show_bug.cgi?id=2300409
https://bugzilla.redhat.com/show_bug.cgi?id=2300414
https://bugzilla.redhat.com/show_bug.cgi?id=2300429
https://bugzilla.redhat.com/show_bug.cgi?id=2300491
https://bugzilla.redhat.com/show_bug.cgi?id=2300520
https://bugzilla.redhat.com/show_bug.cgi?id=2300713
https://bugzilla.redhat.com/show_bug.cgi?id=2301465
https://bugzilla.redhat.com/show_bug.cgi?id=2301496
https://bugzilla.redhat.com/show_bug.cgi?id=2301637