In the Linux kernel, the following vulnerability has been resolved:
net/mlx5e: Disable MACsec offload for uplink representor profile
MACsec offload is not supported in switchdev mode for uplink representors. When switching to the uplink representor profile, the MACsec offload feature must be cleared from the netdevice's features.
If left enabled, attempts to add offloads result in a null pointer dereference, as the uplink representor does not support MACsec offload even though the feature bit remains set.
Clear NETIF_F_HW_MACSEC in mlx5e_fix_uplink_rep_features().
Kernel log:
Oops: general protection fault, probably for non-canonical address 0xdffffc000000000f: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f] CPU: 29 UID: 0 PID: 4714 Comm: ip Not tainted 6.14.0-rc4_for_upstream_debug_2025_03_02_17_35 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014 RIP: 0010:__mutex_lock+0x128/0x1dd0 Code: d0 7c 08 84 d2 0f 85 ad 15 00 00 8b 35 91 5c fe 03 85 f6 75 29 49 8d 7e 60 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a6 15 00 00 4d 3b 76 60 0f 85 fd 0b 00 00 65 ff RSP: 0018:ffff888147a4f160 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 000000000000000f RSI: 0000000000000000 RDI: 0000000000000078 RBP: ffff888147a4f2e0 R08: ffffffffa05d2c19 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000018 R15: ffff888152de0000 FS: 00007f855e27d800(0000) GS:ffff88881ee80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e5768 CR3: 000000013ae7c005 CR4: 0000000000372eb0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 Call Trace: <TASK> ? die_addr+0x3d/0xa0 ? exc_general_protection+0x144/0x220 ? asm_exc_general_protection+0x22/0x30 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? __mutex_lock+0x128/0x1dd0 ? lockdep_set_lock_cmp_fn+0x190/0x190 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? mutex_lock_io_nested+0x1ae0/0x1ae0 ? lock_acquire+0x1c2/0x530 ? macsec_upd_offload+0x145/0x380 ? lockdep_hardirqs_on_prepare+0x400/0x400 ? kasan_save_stack+0x30/0x40 ? kasan_save_stack+0x20/0x40 ? kasan_save_track+0x10/0x30 ? __kasan_kmalloc+0x77/0x90 ? __kmalloc_noprof+0x249/0x6b0 ? genl_family_rcv_msg_attrs_parse.constprop.0+0xb5/0x240 ? mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] mlx5e_macsec_add_secy+0xf9/0x700 [mlx5_core] ? mlx5e_macsec_add_rxsa+0x11a0/0x11a0 [mlx5_core] macsec_update_offload+0x26c/0x820 ? macsec_set_mac_address+0x4b0/0x4b0 ? lockdep_hardirqs_on_prepare+0x284/0x400 ? _raw_spin_unlock_irqrestore+0x47/0x50 macsec_upd_offload+0x2c8/0x380 ? macsec_update_offload+0x820/0x820 ? __nla_parse+0x22/0x30 ? genl_family_rcv_msg_attrs_parse.constprop.0+0x15e/0x240 genl_family_rcv_msg_doit+0x1cc/0x2a0 ? genl_family_rcv_msg_attrs_parse.constprop.0+0x240/0x240 ? cap_capable+0xd4/0x330 genl_rcv_msg+0x3ea/0x670 ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0 ? lockdep_set_lock_cmp_fn+0x190/0x190 ? macsec_update_offload+0x820/0x820 netlink_rcv_skb+0x12b/0x390 ? genl_family_rcv_msg_dumpit+0x2a0/0x2a0 ? netlink_ack+0xd80/0xd80 ? rwsem_down_read_slowpath+0xf90/0xf90 ? netlink_deliver_tap+0xcd/0xac0 ? netlink_deliver_tap+0x155/0xac0 ? _copy_from_iter+0x1bb/0x12c0 genl_rcv+0x24/0x40 netlink_unicast+0x440/0x700 ? netlink_attachskb+0x760/0x760 ? lock_acquire+0x1c2/0x530 ? __might_fault+0xbb/0x170 netlink_sendmsg+0x749/0xc10 ? netlink_unicast+0x700/0x700 ? __might_fault+0xbb/0x170 ? netlink_unicast+0x700/0x700 __sock_sendmsg+0xc5/0x190 ____sys_sendmsg+0x53f/0x760 ? import_iovec+0x7/0x10 ? kernel_sendmsg+0x30/0x30 ? __copy_msghdr+0x3c0/0x3c0 ? filter_irq_stacks+0x90/0x90 ? stack_depot_save_flags+0x28/0xa30 ___sys_sen ---truncated---
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:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-tools-develUpgrade kernel6.12-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-modules-extra-commonUpgrade python3-perf6.12Upgrade kernel-debuginfo-common-x86_64Upgrade perf6.12-debuginfoUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernelUpgrade python3-perfUpgrade kernel-livepatch-6.12.30-34.92Upgrade python3-perf-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade bpftoolUpgrade kernel-debuginfoUpgrade kernel6.12-modules-extraUpgrade kernel-modules-extraUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade bpftool-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-tools-debuginfoUpgrade kernel6.12Upgrade perf6.12Upgrade perf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-livepatch-6.1.140-154.222Upgrade kernel-toolsUpgrade kernel-libbpfUpgrade kernel-headersUpgrade kernel-libbpf-debuginfo | Jul 11, 2025 | Jun 18, 2025 |
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jun 20, 2025 | Jun 18, 2025 |
| Oracle_linux | — | Upgrade kernel-uek | May 13, 2026 | Jun 18, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 18, 2025 |
| Suse | — | Upgrade kernel-debug-vdsoUpgrade kernel-rt-vdsoUpgrade kernel-develUpgrade dlm-kmp-azureUpgrade dtb-caviumUpgrade ocfs2-kmp-defaultUpgrade kernel-default-base-rebuildUpgrade kselftests-kmp-rtUpgrade kernel-64kb-extraUpgrade cluster-md-kmp-64kbUpgrade dtb-nvidiaUpgrade dtb-rockchipUpgrade dtb-mediatekUpgrade dtb-renesasUpgrade dtb-armUpgrade kernel-obs-buildUpgrade kernel-rt-develUpgrade dtb-allwinnerUpgrade dtb-amdUpgrade kernel-rt-extraUpgrade kernel-debug-develUpgrade reiserfs-kmp-rtUpgrade kernel-docsUpgrade kernel-rt-optionalUpgrade kernel-rt_debugUpgrade gfs2-kmp-defaultUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade dtb-socionextUpgrade dtb-sprdUpgrade kernel-kvmsmall-vdsoUpgrade kselftests-kmp-defaultUpgrade kernel-source-rtUpgrade ocfs2-kmp-azureUpgrade kernel-default-baseUpgrade kernel-source-vanillaUpgrade kernel-defaultUpgrade dlm-kmp-rtUpgrade dtb-xilinxUpgrade kselftests-kmp-azureUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-defaultUpgrade dtb-apmUpgrade cluster-md-kmp-defaultUpgrade dtb-exynosUpgrade dtb-amlogicUpgrade cluster-md-kmp-azureUpgrade dtb-amazonUpgrade gfs2-kmp-64kbUpgrade kernel-docs-htmlUpgrade dtb-qcomUpgrade kernel-rtUpgrade kernel-syms-azureUpgrade kernel-rt_debug-vdsoUpgrade dtb-broadcomUpgrade dtb-alteraUpgrade kernel-rt-livepatch-develUpgrade kernel-default-livepatchUpgrade kernel-azure-extraUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-64kbUpgrade kernel-macrosUpgrade kernel-devel-rtUpgrade kernel-devel-azureUpgrade kernel-default-vdsoUpgrade kernel-default-extraUpgrade kernel-debugUpgrade kernel-64kb-optionalUpgrade kselftests-kmp-64kbUpgrade gfs2-kmp-rtUpgrade dtb-hisiliconUpgrade ocfs2-kmp-64kbUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade kernel-rt_debug-develUpgrade dtb-lgUpgrade kernel-default-optionalUpgrade dtb-appleUpgrade kernel-obs-qaUpgrade dtb-freescaleUpgrade kernel-azure-optionalUpgrade dtb-marvellUpgrade kernel-syms-rtUpgrade kernel-sourceUpgrade kernel-azure-vdsoUpgrade kernel-64kbUpgrade kernel-kvmsmallUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade kernel-symsUpgrade ocfs2-kmp-rtUpgrade dlm-kmp-64kbUpgrade kernel-kvmsmall-develUpgrade kernel-64kb-devel | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.14.0-1011-oracleUpgrade linux-image-raspi-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-oem-24.04cUpgrade linux-image-aws-lts-24.04Upgrade linux-image-kvmUpgrade linux-image-aws-64kUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-aws-6.14Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-azure-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-oracle-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-6.14.0-1012-raspiUpgrade linux-image-aws-fips-6.8Upgrade linux-image-6.8.0-100-genericUpgrade linux-image-gke-64k-6.8Upgrade linux-image-generic-6.14Upgrade linux-image-gkeUpgrade linux-image-gcp-fips-6.8Upgrade linux-image-xilinx-6.8Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-raspi-6.14Upgrade linux-image-aws-64k-6.14Upgrade linux-image-gkeopUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-6.8Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-6.14.0-1010-realtimeUpgrade linux-image-6.14.0-28-genericUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-aws-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-gcp-6.14Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-raspi-realtimeUpgrade linux-image-intel-iotgUpgrade linux-image-virtual-6.14Upgrade linux-image-ibm-6.8Upgrade linux-image-xilinxUpgrade linux-image-gcpUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.14.0-1014-gcp-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-virtualUpgrade linux-image-azureUpgrade linux-image-realtime-6.14Upgrade linux-image-azure-fips-6.8Upgrade linux-image-oracle-64kUpgrade linux-image-azure-fipsUpgrade linux-image-gke-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-raspiUpgrade linux-image-ibm-classicUpgrade linux-image-generic-64kUpgrade linux-image-gcp-64kUpgrade linux-image-oem-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-generic-64k-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.14.0-1011-aws-64kUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.14.0-1011-oracle-64kUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-gkeop-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatency-6.8Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-fipsUpgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.14.0-1011-awsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-6.14.0-1010-oemUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-ibmUpgrade linux-image-awsUpgrade linux-image-generic-64k-6.14Upgrade linux-image-6.14.0-1010-azureUpgrade linux-image-realtimeUpgrade linux-image-oem-22.04aUpgrade linux-image-6.14.0-28-generic-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-6.14.0-1014-gcpUpgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidiaUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-genericUpgrade linux-image-oem-6.14Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-gke-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oracle-6.14Upgrade linux-image-oracleUpgrade linux-image-nvidia-6.8 | Jun 26, 2025 | Jun 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 8, 2025 | Jun 18, 2025 |
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