Red Hat Security Advisory: kpatch-patch security update

Fixed packages 18

Vulnerabilities 4

• High 7.8
  CVE-2023-31248

  Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability

  Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and 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-2023-35001 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-2023-35788 Public exploit

  An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an o…

  linux-raspi2 linux-hwe linux-azure linux-riscv Debian Ubuntu Azure Linux
  Jun 16, 2023
• Unscored —
  CVE-2023-4128 Public exploit Rejected

  ** REJECT ** DO NOT USE THIS CVE RECORD. ConsultIDs: CVE-2023-4206, CVE-2023-4207, CVE-2023-4208. Reason: This record i…

  linux-raspi2 linux-hwe linux-azure linux-riscv Ubuntu
  Aug 10, 2023

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2215768
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2220892
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2220893
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2225511
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2023/rhsa-2023_5575.json
• report
  https://access.redhat.com/security/cve/CVE-2023-4128
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2261965
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-4128
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-4128
• article
  https://access.redhat.com/security/cve/CVE-2023-4206
• article
  https://access.redhat.com/security/cve/CVE-2023-4207
• article
  https://access.redhat.com/security/cve/CVE-2023-4208
• report
  https://access.redhat.com/security/cve/CVE-2023-31248
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-31248
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-31248
• article
  https://lore.kernel.org/netfilter-devel/20230705121627.GC19489@breakpoint.cc/T/
• article
  https://www.openwall.com/lists/oss-security/2023/07/05/2
• article
  https://www.zerodayinitiative.com/advisories/ZDI-23-899/
• 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/
• article
  https://www.openwall.com/lists/oss-security/2023/07/05/3
• report
  https://access.redhat.com/security/cve/CVE-2023-35788
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-35788
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-35788
• article
  https://www.openwall.com/lists/oss-security/2023/06/07/1