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