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 bpftoolUpgrade kernel-modules-extra-commonUpgrade kernel-develUpgrade kernel6.12-debuginfoUpgrade python3-perf-debuginfoUpgrade kernelUpgrade kernel-livepatch-6.12.30-34.92Upgrade kernel-libbpf-staticUpgrade python3-perf6.12-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-develUpgrade perf6.12-debuginfoUpgrade python3-perfUpgrade kernel-libbpf-develUpgrade python3-perf6.12Upgrade kernel6.12Upgrade kernel6.12-modules-extraUpgrade kernel-libbpfUpgrade kernel-headersUpgrade kernel-toolsUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade perfUpgrade perf6.12Upgrade perf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel-livepatch-6.1.140-154.222Upgrade kernel-tools-debuginfoUpgrade kernel-modules-extraUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-aarch64Upgrade 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-azure-optionalUpgrade kernel-debugUpgrade dtb-freescaleUpgrade dtb-marvellUpgrade kernel-obs-qaUpgrade dtb-appleUpgrade reiserfs-kmp-64kbUpgrade kernel-kvmsmallUpgrade kernel-macrosUpgrade cluster-md-kmp-rtUpgrade kernel-devel-rtUpgrade kernel-64kb-optionalUpgrade kernel-default-extraUpgrade dtb-alteraUpgrade kernel-azure-extraUpgrade cluster-md-kmp-defaultUpgrade dtb-broadcomUpgrade ocfs2-kmp-64kbUpgrade kernel-default-livepatchUpgrade kernel-rt-livepatch-develUpgrade kernel-symsUpgrade kernel-rt_debug-develUpgrade kernel-source-azureUpgrade kernel-default-optionalUpgrade kernel-zfcpdumpUpgrade dtb-lgUpgrade gfs2-kmp-rtUpgrade kselftests-kmp-64kbUpgrade dtb-exynosUpgrade kernel-64kbUpgrade kernel-azure-vdsoUpgrade kernel-syms-rtUpgrade kernel-sourceUpgrade kernel-azure-develUpgrade kernel-default-develUpgrade dtb-apmUpgrade dtb-amlogicUpgrade gfs2-kmp-64kbUpgrade kernel-docs-htmlUpgrade kernel-syms-azureUpgrade kernel-rtUpgrade kernel-rt_debug-vdsoUpgrade dtb-amazonUpgrade cluster-md-kmp-azureUpgrade dtb-hisiliconUpgrade kernel-devel-azureUpgrade ocfs2-kmp-rtUpgrade kernel-default-vdsoUpgrade dlm-kmp-64kbUpgrade dtb-qcomUpgrade kernel-64kb-develUpgrade kernel-kvmsmall-develUpgrade kernel-rt-extraUpgrade reiserfs-kmp-rtUpgrade kernel-source-vanillaUpgrade kernel-source-rtUpgrade kernel-default-livepatch-develUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-debug-develUpgrade dtb-allwinnerUpgrade kselftests-kmp-defaultUpgrade kernel-rt_debugUpgrade kernel-kvmsmall-vdsoUpgrade dtb-amdUpgrade cluster-md-kmp-64kbUpgrade kernel-docsUpgrade kernel-rt-optionalUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade kernel-debug-vdsoUpgrade kernel-develUpgrade dtb-caviumUpgrade kernel-rt-vdsoUpgrade dtb-mediatekUpgrade dtb-rockchipUpgrade kernel-defaultUpgrade dtb-xilinxUpgrade dlm-kmp-rtUpgrade kernel-default-baseUpgrade kernel-rt-develUpgrade dtb-armUpgrade kernel-obs-buildUpgrade dtb-renesasUpgrade dlm-kmp-defaultUpgrade kernel-default-base-rebuildUpgrade kernel-64kb-extraUpgrade dtb-nvidiaUpgrade kselftests-kmp-rtUpgrade kernel-azureUpgrade dtb-socionextUpgrade reiserfs-kmp-azureUpgrade gfs2-kmp-azureUpgrade dtb-sprdUpgrade gfs2-kmp-defaultUpgrade kselftests-kmp-azure | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-generic-64k-6.8Upgrade linux-image-oracle-6.14Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatencyUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-aws-fipsUpgrade linux-image-virtual-6.8Upgrade linux-image-6.14.0-1014-gcpUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-realtimeUpgrade linux-image-6.14.0-28-generic-64kUpgrade linux-image-ibmUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-awsUpgrade linux-image-6.14.0-1010-azureUpgrade linux-image-generic-64k-6.14Upgrade linux-image-oem-22.04aUpgrade linux-image-6.14.0-1011-oracle-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-fipsUpgrade linux-image-gke-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-oem-22.04Upgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-6.8.0-1046-azureUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.14.0-1010-oemUpgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.14.0-1011-awsUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-gcp-fipsUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-gcp-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcp-64k-6.14Upgrade linux-image-6.14.0-1011-aws-64kUpgrade linux-image-oem-6.14Upgrade linux-image-genericUpgrade linux-image-aws-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-6.8.0-100-fipsUpgrade linux-image-xilinx-6.8Upgrade linux-image-raspi-6.14Upgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-virtualUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-azureUpgrade linux-image-raspi-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-realtime-6.8.1Upgrade linux-image-aws-64kUpgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-aws-lts-24.04Upgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-azure-fipsUpgrade linux-image-raspiUpgrade linux-image-oem-22.04bUpgrade linux-image-nvidia-64kUpgrade linux-image-realtime-6.14Upgrade linux-image-gcpUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-generic-6.8Upgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-6.14.0-28-genericUpgrade linux-image-6.14.0-1010-realtimeUpgrade linux-image-intel-iotgUpgrade linux-image-azure-fips-6.8Upgrade linux-image-aws-64k-6.8Upgrade linux-image-6.14.0-1014-gcp-64kUpgrade linux-image-virtual-6.14Upgrade linux-image-xilinxUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-gcp-64kUpgrade linux-image-6.14.0-1011-oracleUpgrade linux-image-oracle-64kUpgrade linux-image-oem-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-6.14.0-1012-raspiUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-fips-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-gcp-6.14Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-aws-fips-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-aws-64k-6.14Upgrade linux-image-oem-24.04cUpgrade linux-image-oem-22.04cUpgrade linux-image-oracle-6.8Upgrade linux-image-azure-6.8Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-raspi-realtimeUpgrade linux-image-gkeUpgrade linux-image-generic-6.14 | 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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