Red Hat Security Advisory: kpatch-patch security update

Fixed packages 12

Vulnerabilities 9

• High 8.8
  CVE-2023-5178 Public exploit

  Kernel: use after free in nvmet_tcp_free_crypto in nvme

  A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, whic…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Nov 1, 2023
• High 7.8
  CVE-2023-31436

  qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax ca…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Apr 28, 2023
• High 7.8
  CVE-2023-3390 Public exploit

  Use-after-free in Linux kernel's netfilter subsystem

  A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vu…

  Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 28, 2023
• High 7.8
  CVE-2023-35001 Public exploit

  Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability

  Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace

  Linux linux_kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 5, 2023
• High 7.8
  CVE-2023-3611

  Out-of-bounds write in Linux kernel's net/sched: sch_qfq component

  An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated accordin…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 21, 2023
• High 7.8
  CVE-2023-4623

  Use-after-free in Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component

  A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation. If a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 6, 2023
• High 7.8
  CVE-2023-4921

  Use-after-free in Linux kernel's net/sched: sch_qfq component

  A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue()…

  Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 12, 2023
• High 7.0
  CVE-2024-0646

  Kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination

  An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privile…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Jan 17, 2024
• Unscored —
  CVE-2023-45871

  An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Oct 15, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2192671
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2213260
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2220892
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2225191
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2237757
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2241924
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2244723
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2245514
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2253908
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_1278.json
• report
  https://access.redhat.com/security/cve/CVE-2023-3390
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-3390
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-3390
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1240eb93f0616b21c675416516ff3d74798fdc97
• report
  https://access.redhat.com/security/cve/CVE-2023-3611
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-3611
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-3611
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e337087c3b5805fe0b8a46ba622a962880b5d64
• report
  https://access.redhat.com/security/cve/CVE-2023-4623
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-4623
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-4623
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3d26c5702c7d6c45456326e56d2ccf3f103e60f
• report
  https://access.redhat.com/security/cve/CVE-2023-4921
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-4921
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-4921
• article
  https://github.com/torvalds/linux/commit/8fc134fee27f2263988ae38920bc03da416b03d8
• report
  https://access.redhat.com/security/cve/CVE-2023-5178
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-5178
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-5178
• article
  https://lore.kernel.org/linux-nvme/20231002105428.226515-1-sagi@grimberg.me/
• report
  https://access.redhat.com/security/cve/CVE-2023-31436
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-31436
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-31436
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3037933448f60f9acb705997eae62013ecb81e0d
• report
  https://access.redhat.com/security/cve/CVE-2023-35001
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-35001
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-35001
• article
  https://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/