In the Linux kernel, the following vulnerability has been resolved:
xfrm: fix one more kernel-infoleak in algo dumping
During fuzz testing, the following issue was discovered:
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30 _copy_to_iter+0x598/0x2a30 __skb_datagram_iter+0x168/0x1060 skb_copy_datagram_iter+0x5b/0x220 netlink_recvmsg+0x362/0x1700 sock_recvmsg+0x2dc/0x390 __sys_recvfrom+0x381/0x6d0 __x64_sys_recvfrom+0x130/0x200 x64_sys_call+0x32c8/0x3cc0 do_syscall_64+0xd8/0x1c0 entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was stored to memory at: copy_to_user_state_extra+0xcc1/0x1e00 dump_one_state+0x28c/0x5f0 xfrm_state_walk+0x548/0x11e0 xfrm_dump_sa+0x1e0/0x840 netlink_dump+0x943/0x1c40 __netlink_dump_start+0x746/0xdb0 xfrm_user_rcv_msg+0x429/0xc00 netlink_rcv_skb+0x613/0x780 xfrm_netlink_rcv+0x77/0xc0 netlink_unicast+0xe90/0x1280 netlink_sendmsg+0x126d/0x1490 __sock_sendmsg+0x332/0x3d0 ____sys_sendmsg+0x863/0xc30 ___sys_sendmsg+0x285/0x3e0 __x64_sys_sendmsg+0x2d6/0x560 x64_sys_call+0x1316/0x3cc0 do_syscall_64+0xd8/0x1c0 entry_SYSCALL_64_after_hwframe+0x79/0x81
Uninit was created at: __kmalloc+0x571/0xd30 attach_auth+0x106/0x3e0 xfrm_add_sa+0x2aa0/0x4230 xfrm_user_rcv_msg+0x832/0xc00 netlink_rcv_skb+0x613/0x780 xfrm_netlink_rcv+0x77/0xc0 netlink_unicast+0xe90/0x1280 netlink_sendmsg+0x126d/0x1490 __sock_sendmsg+0x332/0x3d0 ____sys_sendmsg+0x863/0xc30 ___sys_sendmsg+0x285/0x3e0 __x64_sys_sendmsg+0x2d6/0x560 x64_sys_call+0x1316/0x3cc0 do_syscall_64+0xd8/0x1c0 entry_SYSCALL_64_after_hwframe+0x79/0x81
Bytes 328-379 of 732 are uninitialized Memory access of size 732 starts at ffff88800e18e000 Data copied to user address 00007ff30f48aff0
CPU: 2 PID: 18167 Comm: syz-executor.0 Not tainted 6.8.11 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Fixes copying of xfrm algorithms where some random data of the structure fields can end up in userspace. Padding in structures may be filled with random (possibly sensitve) data and should never be given directly to user-space.
A similar issue was resolved in the commit 8222d5910dae ("xfrm: Zero padding when dumping algos and encap")
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-docUpgrade kernel-64k-develUpgrade perfUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-debugUpgrade kernel-rt-coreUpgrade kernel-rt-debug-modulesUpgrade rtlaUpgrade kernel-debug-uki-virtUpgrade kernel-debug-modules-coreUpgrade kernel-64k-debug-modules-coreUpgrade kernel-develUpgrade kernel-coreUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-modules-extraUpgrade kernel-tools-libsUpgrade kernel-modules-extraUpgrade kernel-64k-modules-coreUpgrade kernel-debug-develUpgrade python3-perfUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-coreUpgrade bpftoolUpgrade kernel-debugUpgrade kernel-64k-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-64k-debug-develUpgrade kernel-debug-coreUpgrade kernel-modulesUpgrade kernel-rt-develUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-64k-devel-matchedUpgrade kernel-uki-virtUpgrade libperfUpgrade kernel-toolsUpgrade kernel-64k-debug-coreUpgrade kernelUpgrade kernel-debug-modules-extraUpgrade kernel-64k-modulesUpgrade kernel-uki-virt-addonsUpgrade kernel-abi-stablelistsUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-devel-matchedUpgrade kernel-64k-coreUpgrade kernel-cross-headersUpgrade kernel-rt-debug-modules-extraUpgrade kernel-64k-debugUpgrade kernel-debug-modulesUpgrade kernel-headersUpgrade kernel-debug-devel-matchedUpgrade kernel-64kUpgrade kernel-modules-coreUpgrade kernel-tools-libs-develUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-debug-develUpgrade kernel-rtUpgrade rvUpgrade kernel-zfcpdump-develUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-zfcpdump-modules | Dec 19, 2024 | Nov 5, 2024 |
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfoUpgrade kernel-headersUpgrade perfUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.173-118.169Upgrade python-perfUpgrade kernel-debuginfo-common-aarch64Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-tools-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-develUpgrade bpftool-debuginfoUpgrade kernel | Mar 14, 2025 | Nov 5, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-modules-extra-commonUpgrade python3-perfUpgrade kernelUpgrade kernel-libbpf-staticUpgrade kernel-toolsUpgrade bpftoolUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-6.1.115-126.197Upgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade perfUpgrade kernel-headers | Mar 27, 2025 | Nov 5, 2024 |
| Debian | — | Upgrade linux-6.1Upgrade linux | Nov 11, 2024 | Nov 5, 2024 |
| Oracle_linux | — | Upgrade kernel | Dec 12, 2024 | Nov 5, 2024 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Feb 10, 2025 | Nov 5, 2024 |
| Rocky_linux | — | Upgrade kernel-rt-kvmUpgrade perf-debuginfoUpgrade perfUpgrade kernel-toolsUpgrade kernel-rt-debugUpgrade kernel-modulesUpgrade kernel-rtUpgrade kernel-rt-coreUpgrade kernel-debug-coreUpgrade kernel-rt-modulesUpgrade kernel-tools-debuginfoUpgrade kernel-develUpgrade kernel-tools-libs-develUpgrade python3-perfUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debugUpgrade kernel-debuginfoUpgrade kernel-rt-develUpgrade kernel-rt-debuginfoUpgrade kernel-headersUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debug-modulesUpgrade bpftoolUpgrade kernel-cross-headersUpgrade kernel-coreUpgrade python3-perf-debuginfoUpgrade kernel-rt-modules-extraUpgrade kernel-rt-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-modules-extraUpgrade kernel-debug-modulesUpgrade kernelUpgrade kernel-debug-develUpgrade kernel-rt-debug-kvmUpgrade kernel-debug-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-coreUpgrade kernel-tools-libsUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debug-devel | Feb 5, 2026 | Dec 19, 2024 |
| Ubuntu | — | Upgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-1076-kvmUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-ibmUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-5.15.0-133-lowlatency-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-64kUpgrade linux-image-oem-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-gkeopUpgrade linux-image-oem-20.04bUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-5.15.0-133-generic-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-5.15.0-1072-nvidiaUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-gkeUpgrade linux-image-generic-64kUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-gke-5.15Upgrade linux-image-oem-22.04aUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-intelUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-5.15.0-1080-awsUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-5.15.0-1072-raspiUpgrade linux-image-5.15.0-1021-nvidia-tegra-igx-rtUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-5.15.0-1073-intel-iotgUpgrade linux-image-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-5.15.0-1033-nvidia-tegraUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1081-azure-fdeUpgrade linux-image-5.15.0-1070-ibmUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-lowlatencyUpgrade linux-image-azureUpgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-5.15.0-1033-nvidia-tegra-rtUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-133-genericUpgrade linux-image-6.11.0-18-genericUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-5.15.0-1078-awsUpgrade linux-image-oem-22.04bUpgrade linux-image-oracle-64kUpgrade linux-image-5.15.0-1044-xilinx-zynqmpUpgrade linux-image-raspi-realtimeUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-5.15.0-133-lowlatencyUpgrade linux-image-5.15.0-1077-gcpUpgrade linux-image-virtualUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-awsUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-oem-20.04cUpgrade linux-image-gcpUpgrade linux-image-nvidia-tegra-igx-rtUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-5.15.0-134-generic-lpaeUpgrade linux-image-5.15.0-133-generic-lpaeUpgrade linux-image-5.15.0-1074-ibmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1081-azureUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-6.8.0-1026-oemUpgrade linux-image-5.15.0-1075-oracleUpgrade linux-image-5.15.0-1072-nvidia-lowlatencyUpgrade linux-image-5.15.0-134-generic-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.11.0-1015-oemUpgrade linux-image-ibm-classicUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-gcp-64kUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-nvidia-tegra-igxUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-realtimeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-5.15.0-1075-gkeUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04dUpgrade linux-image-5.15.0-1021-nvidia-tegra-igxUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-azure-fdeUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-134-genericUpgrade linux-image-oem-20.04dUpgrade linux-image-5.15.0-1060-gkeopUpgrade linux-image-6.8.0-58-generic | Feb 20, 2025 | Nov 5, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 10, 2025 | Nov 5, 2024 |
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