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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---
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.1.140-154.222Upgrade kernel-toolsUpgrade kernel6.12-debuginfo-common-x86_64Upgrade perf6.12Upgrade kernel-debuginfo-common-aarch64Upgrade kernel6.12-modules-extraUpgrade perfUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-libbpfUpgrade kernel-libbpf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-headersUpgrade kernel6.12Upgrade kernel-tools-debuginfoUpgrade perf-debuginfoUpgrade kernel-debuginfoUpgrade kernel-modules-extraUpgrade python3-perf6.12-debuginfoUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-livepatch-6.12.30-34.92Upgrade kernelUpgrade python3-perfUpgrade kernel-libbpf-develUpgrade kernel-develUpgrade perf6.12-debuginfoUpgrade python3-perf6.12Upgrade kernel6.12-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-modules-extra-commonUpgrade python3-perf-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-default-baseUpgrade dlm-kmp-rtUpgrade kernel-debug-develUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt_debugUpgrade kselftests-kmp-defaultUpgrade kernel-rt-extraUpgrade kernel-docsUpgrade kernel-rt-optionalUpgrade reiserfs-kmp-azureUpgrade dtb-sprdUpgrade kernel-azureUpgrade gfs2-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade dtb-socionextUpgrade dtb-rockchipUpgrade kernel-64kb-extraUpgrade kernel-source-rtUpgrade kernel-source-vanillaUpgrade kernel-default-livepatch-develUpgrade kselftests-kmp-azureUpgrade kernel-develUpgrade kernel-rt-vdsoUpgrade ocfs2-kmp-azureUpgrade kernel-default-base-rebuildUpgrade kernel-debug-vdsoUpgrade dtb-caviumUpgrade ocfs2-kmp-defaultUpgrade dlm-kmp-azureUpgrade kselftests-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade dtb-renesasUpgrade kernel-rt-develUpgrade dtb-mediatekUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-rtUpgrade kernel-obs-buildUpgrade dtb-armUpgrade dtb-amdUpgrade dtb-allwinnerUpgrade gfs2-kmp-defaultUpgrade dtb-xilinxUpgrade dtb-nvidiaUpgrade kernel-defaultUpgrade ocfs2-kmp-64kbUpgrade kernel-64kb-develUpgrade kernel-64kb-optionalUpgrade kernel-default-optionalUpgrade kernel-azure-vdsoUpgrade kernel-64kbUpgrade kernel-macrosUpgrade kernel-devel-rtUpgrade kernel-devel-azureUpgrade kernel-default-vdsoUpgrade kernel-default-extraUpgrade cluster-md-kmp-rtUpgrade kernel-syms-rtUpgrade reiserfs-kmp-64kbUpgrade kernel-debugUpgrade dtb-exynosUpgrade gfs2-kmp-rtUpgrade dtb-lgUpgrade dtb-hisiliconUpgrade dtb-marvellUpgrade dtb-freescaleUpgrade dtb-appleUpgrade kernel-obs-qaUpgrade kernel-kvmsmallUpgrade kernel-azure-optionalUpgrade kernel-source-azureUpgrade kernel-rt_debug-develUpgrade kselftests-kmp-64kbUpgrade kernel-zfcpdumpUpgrade dtb-qcomUpgrade kernel-sourceUpgrade dtb-alteraUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-livepatch-develUpgrade kernel-default-livepatchUpgrade dtb-broadcomUpgrade kernel-azure-extraUpgrade dtb-amazonUpgrade kernel-rtUpgrade kernel-docs-htmlUpgrade kernel-default-develUpgrade kernel-azure-develUpgrade dtb-apmUpgrade gfs2-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade kernel-symsUpgrade dtb-amlogicUpgrade kernel-syms-azureUpgrade kernel-kvmsmall-develUpgrade dlm-kmp-64kbUpgrade ocfs2-kmp-rtUpgrade kernel-rt_debug-vdso | Dec 5, 2025 | Jul 8, 2025 |
| Ubuntu | — | Upgrade linux-image-oracle-6.8Upgrade linux-image-oem-24.04cUpgrade linux-image-raspi-realtimeUpgrade linux-image-azure-6.8Upgrade linux-image-gkeopUpgrade linux-image-aws-64k-6.14Upgrade linux-image-oem-22.04cUpgrade linux-image-gcp-6.14Upgrade linux-image-intel-iot-realtimeUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-gke-64k-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-aws-fips-6.8Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.14.0-1011-oracleUpgrade linux-image-fips-6.8Upgrade linux-image-oem-24.04Upgrade linux-image-generic-64kUpgrade linux-image-aws-64k-6.8Upgrade linux-image-ibm-classicUpgrade linux-image-virtual-6.14Upgrade linux-image-6.14.0-1012-raspiUpgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-intel-iotgUpgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-ibm-6.8Upgrade linux-image-xilinxUpgrade linux-image-6.14.0-1014-gcp-64kUpgrade linux-image-azureUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gcp-64kUpgrade linux-image-gcpUpgrade linux-image-azure-fips-6.8Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-virtualUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-aws-6.8Upgrade linux-image-6.14.0-28-genericUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-6.14.0-1010-realtimeUpgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-generic-6.8Upgrade linux-image-realtime-hwe-22.04Upgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-azure-fipsUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-aws-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-kvmUpgrade linux-image-gkeUpgrade linux-image-aws-lts-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-raspi-6.14Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-gke-6.8Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-xilinx-6.8Upgrade linux-image-raspiUpgrade linux-image-generic-6.14Upgrade linux-image-realtime-6.14Upgrade linux-image-oracle-64k-6.14Upgrade linux-image-6.14.0-1011-oracle-64kUpgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-genericUpgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-6.14.0-1011-aws-64kUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.14.0-1011-awsUpgrade linux-image-6.14.0-1010-oemUpgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidiaUpgrade linux-image-gcp-64k-6.8Upgrade linux-image-6.14.0-1014-gcpUpgrade linux-image-aws-fipsUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-virtual-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-6.8.0-1051-azureUpgrade linux-image-fipsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-azure-6.14Upgrade linux-image-oracleUpgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-oracle-64k-6.8Upgrade linux-image-gcp-6.8Upgrade linux-image-oracle-6.14Upgrade linux-image-lowlatency-6.8Upgrade linux-image-gcp-fipsUpgrade linux-image-realtimeUpgrade linux-image-6.14.0-28-generic-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-ibmUpgrade linux-image-awsUpgrade linux-image-generic-64k-6.14Upgrade linux-image-6.14.0-1010-azureUpgrade linux-image-oem-6.14Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-gke-64kUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1046-azure | 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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