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Ubuntu: (Multiple Advisories) (CVE-2024-26754): Linux kernel vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2024-26754): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/03/2024
Created
07/02/2024
Added
07/01/2024
Modified
07/29/2024

Description

In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp() The gtp_net_ops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller hit 'general protection fault in gtp_genl_dump_pdp' bug: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 5826 Comm: gtp Not tainted 6.8.0-rc3-std-def-alt1 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014 RIP: 0010:gtp_genl_dump_pdp+0x1be/0x800 [gtp] Code: c6 89 c6 e8 64 e9 86 df 58 45 85 f6 0f 85 4e 04 00 00 e8 c5 ee 86 df 48 8b 54 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 de 05 00 00 48 8b 44 24 18 4c 8b 30 4c 39 f0 74 RSP: 0018:ffff888014107220 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88800fcda588 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f1be4eb05c0(0000) GS:ffff88806ce80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1be4e766cf CR3: 000000000c33e000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> ? show_regs+0x90/0xa0 ? die_addr+0x50/0xd0 ? exc_general_protection+0x148/0x220 ? asm_exc_general_protection+0x22/0x30 ? gtp_genl_dump_pdp+0x1be/0x800 [gtp] ? __alloc_skb+0x1dd/0x350 ? __pfx___alloc_skb+0x10/0x10 genl_dumpit+0x11d/0x230 netlink_dump+0x5b9/0xce0 ? lockdep_hardirqs_on_prepare+0x253/0x430 ? __pfx_netlink_dump+0x10/0x10 ? kasan_save_track+0x10/0x40 ? __kasan_kmalloc+0x9b/0xa0 ? genl_start+0x675/0x970 __netlink_dump_start+0x6fc/0x9f0 genl_family_rcv_msg_dumpit+0x1bb/0x2d0 ? __pfx_genl_family_rcv_msg_dumpit+0x10/0x10 ? genl_op_from_small+0x2a/0x440 ? cap_capable+0x1d0/0x240 ? __pfx_genl_start+0x10/0x10 ? __pfx_genl_dumpit+0x10/0x10 ? __pfx_genl_done+0x10/0x10 ? security_capable+0x9d/0xe0

Solution(s)

  • ubuntu-upgrade-linux-image-5-15-0-1030-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-15-0-1046-gkeop
  • ubuntu-upgrade-linux-image-5-15-0-1056-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1057-ibm
  • ubuntu-upgrade-linux-image-5-15-0-1058-intel-iotg
  • ubuntu-upgrade-linux-image-5-15-0-1058-nvidia
  • ubuntu-upgrade-linux-image-5-15-0-1058-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-1058-raspi
  • ubuntu-upgrade-linux-image-5-15-0-1060-gke
  • ubuntu-upgrade-linux-image-5-15-0-1060-kvm
  • ubuntu-upgrade-linux-image-5-15-0-1061-oracle
  • ubuntu-upgrade-linux-image-5-15-0-1062-gcp
  • ubuntu-upgrade-linux-image-5-15-0-1063-aws
  • ubuntu-upgrade-linux-image-5-15-0-1065-azure-fde
  • ubuntu-upgrade-linux-image-5-15-0-1066-azure
  • ubuntu-upgrade-linux-image-5-15-0-110-lowlatency
  • ubuntu-upgrade-linux-image-5-15-0-110-lowlatency-64k
  • ubuntu-upgrade-linux-image-5-15-0-112-generic
  • ubuntu-upgrade-linux-image-5-15-0-112-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-112-generic-lpae
  • ubuntu-upgrade-linux-image-5-15-0-113-generic
  • ubuntu-upgrade-linux-image-5-15-0-113-generic-64k
  • ubuntu-upgrade-linux-image-5-15-0-113-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-1045-xilinx-zynqmp
  • ubuntu-upgrade-linux-image-5-4-0-1073-ibm
  • ubuntu-upgrade-linux-image-5-4-0-1093-gkeop
  • ubuntu-upgrade-linux-image-5-4-0-1110-raspi
  • ubuntu-upgrade-linux-image-5-4-0-1114-kvm
  • ubuntu-upgrade-linux-image-5-4-0-1125-oracle
  • ubuntu-upgrade-linux-image-5-4-0-1126-aws
  • ubuntu-upgrade-linux-image-5-4-0-1130-gcp
  • ubuntu-upgrade-linux-image-5-4-0-1131-azure
  • ubuntu-upgrade-linux-image-5-4-0-186-generic
  • ubuntu-upgrade-linux-image-5-4-0-186-generic-lpae
  • ubuntu-upgrade-linux-image-5-4-0-186-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-aws-lts-20-04
  • ubuntu-upgrade-linux-image-aws-lts-22-04
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-azure-fde-lts-22-04
  • ubuntu-upgrade-linux-image-azure-lts-20-04
  • ubuntu-upgrade-linux-image-azure-lts-22-04
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-gcp-lts-20-04
  • ubuntu-upgrade-linux-image-gcp-lts-22-04
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-hwe-18-04
  • ubuntu-upgrade-linux-image-generic-hwe-20-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-gke-5-15
  • ubuntu-upgrade-linux-image-gkeop
  • ubuntu-upgrade-linux-image-gkeop-5-15
  • ubuntu-upgrade-linux-image-gkeop-5-4
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-ibm-lts-20-04
  • ubuntu-upgrade-linux-image-intel
  • ubuntu-upgrade-linux-image-intel-iotg
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-18-04
  • ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
  • ubuntu-upgrade-linux-image-nvidia
  • ubuntu-upgrade-linux-image-nvidia-lowlatency
  • ubuntu-upgrade-linux-image-oem
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oem-20-04c
  • ubuntu-upgrade-linux-image-oem-20-04d
  • ubuntu-upgrade-linux-image-oem-osp1
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-oracle-lts-20-04
  • ubuntu-upgrade-linux-image-oracle-lts-22-04
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-hwe-18-04
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-18-04
  • ubuntu-upgrade-linux-image-virtual-hwe-20-04
  • ubuntu-upgrade-linux-image-xilinx-zynqmp

References

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