Ubuntu: (Multiple Advisories) (CVE-2024-26591): Linux kernel (OEM) vulnerabilities
Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix re-attachment branch in bpf_tracing_prog_attach The following case can cause a crash due to missing attach_btf: 1) load rawtp program 2) load fentry program with rawtp as target_fd 3) create tracing link for fentry program with target_fd = 0 4) repeat 3 In the end we have: - prog->aux->dst_trampoline == NULL - tgt_prog == NULL (because we did not provide target_fd to link_create) - prog->aux->attach_btf == NULL (the program was loaded with attach_prog_fd=X) - the program was loaded for tgt_prog but we have no way to find out which one BUG: kernel NULL pointer dereference, address: 0000000000000058 Call Trace: <TASK> ? __die+0x20/0x70 ? page_fault_oops+0x15b/0x430 ? fixup_exception+0x22/0x330 ? exc_page_fault+0x6f/0x170 ? asm_exc_page_fault+0x22/0x30 ? bpf_tracing_prog_attach+0x279/0x560 ? btf_obj_id+0x5/0x10 bpf_tracing_prog_attach+0x439/0x560 __sys_bpf+0x1cf4/0x2de0 __x64_sys_bpf+0x1c/0x30 do_syscall_64+0x41/0xf0 entry_SYSCALL_64_after_hwframe+0x6e/0x76 Return -EINVAL in this situation.
Solution(s)
- ubuntu-upgrade-linux-image-5-15-0-102-generic
- ubuntu-upgrade-linux-image-5-15-0-102-generic-64k
- ubuntu-upgrade-linux-image-5-15-0-102-generic-lpae
- ubuntu-upgrade-linux-image-5-15-0-102-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-102-lowlatency-64k
- ubuntu-upgrade-linux-image-5-15-0-1040-gkeop
- ubuntu-upgrade-linux-image-5-15-0-1048-nvidia
- ubuntu-upgrade-linux-image-5-15-0-1048-nvidia-lowlatency
- ubuntu-upgrade-linux-image-5-15-0-1050-ibm
- ubuntu-upgrade-linux-image-5-15-0-1050-raspi
- ubuntu-upgrade-linux-image-5-15-0-1052-intel-iotg
- ubuntu-upgrade-linux-image-5-15-0-1054-gke
- ubuntu-upgrade-linux-image-5-15-0-1054-kvm
- ubuntu-upgrade-linux-image-5-15-0-1055-gcp
- ubuntu-upgrade-linux-image-5-15-0-1055-oracle
- ubuntu-upgrade-linux-image-5-15-0-1057-aws
- ubuntu-upgrade-linux-image-5-15-0-1060-azure
- ubuntu-upgrade-linux-image-5-15-0-1060-azure-fde
- ubuntu-upgrade-linux-image-6-1-0-1035-oem
- ubuntu-upgrade-linux-image-6-5-0-1012-starfive
- ubuntu-upgrade-linux-image-6-5-0-1014-laptop
- ubuntu-upgrade-linux-image-6-5-0-1015-nvidia
- ubuntu-upgrade-linux-image-6-5-0-1015-nvidia-64k
- ubuntu-upgrade-linux-image-6-5-0-1015-raspi
- ubuntu-upgrade-linux-image-6-5-0-1018-aws
- ubuntu-upgrade-linux-image-6-5-0-1018-gcp
- ubuntu-upgrade-linux-image-6-5-0-1019-azure
- ubuntu-upgrade-linux-image-6-5-0-1019-azure-fde
- ubuntu-upgrade-linux-image-6-5-0-1020-oem
- ubuntu-upgrade-linux-image-6-5-0-1021-oracle
- ubuntu-upgrade-linux-image-6-5-0-1021-oracle-64k
- ubuntu-upgrade-linux-image-6-5-0-28-generic
- ubuntu-upgrade-linux-image-6-5-0-28-generic-64k
- ubuntu-upgrade-linux-image-6-5-0-28-lowlatency
- ubuntu-upgrade-linux-image-6-5-0-28-lowlatency-64k
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-aws-lts-22-04
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-cvm
- ubuntu-upgrade-linux-image-azure-fde
- ubuntu-upgrade-linux-image-azure-fde-lts-22-04
- ubuntu-upgrade-linux-image-azure-lts-22-04
- ubuntu-upgrade-linux-image-gcp
- 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-64k-hwe-22-04
- ubuntu-upgrade-linux-image-generic-hwe-20-04
- ubuntu-upgrade-linux-image-generic-hwe-22-04
- 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-ibm
- ubuntu-upgrade-linux-image-intel
- ubuntu-upgrade-linux-image-intel-iotg
- ubuntu-upgrade-linux-image-kvm
- ubuntu-upgrade-linux-image-laptop-23-10
- 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-64k-hwe-22-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-20-04
- ubuntu-upgrade-linux-image-lowlatency-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia
- ubuntu-upgrade-linux-image-nvidia-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-6-5
- ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-hwe-22-04
- ubuntu-upgrade-linux-image-nvidia-lowlatency
- 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-22-04
- ubuntu-upgrade-linux-image-oem-22-04a
- ubuntu-upgrade-linux-image-oem-22-04b
- ubuntu-upgrade-linux-image-oem-22-04c
- ubuntu-upgrade-linux-image-oem-22-04d
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-64k
- ubuntu-upgrade-linux-image-oracle-lts-22-04
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-raspi-nolpae
- ubuntu-upgrade-linux-image-starfive
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-20-04
- ubuntu-upgrade-linux-image-virtual-hwe-22-04
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