# CVE-2024-26754: linux: In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gt... CVE-2024-26754 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-26754, released April 3, 2024. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2024-26754 - Priority: High - CVSS: 7.8 (high) - EPSS: 0.0025 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Apr 3, 2024 ## Description In the Linux kernel, the following vulnerability has been resolved: gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp() The gtp_net_ops pernet operations structure for the subsystem must be registered before registering the generic netlink family. Syzkaller hit 'general protection fault in gtp_genl_dump_pdp' bug: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 5826 Comm: gtp Not tainted 6.8.0-rc3-std-def-alt1 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-alt1 04/01/2014 RIP: 0010:gtp_genl_dump_pdp+0x1be/0x800 [gtp] Code: c6 89 c6 e8 64 e9 86 df 58 45 85 f6 0f 85 4e 04 00 00 e8 c5 ee 86 df 48 8b 54 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 de 05 00 00 48 8b 44 24 18 4c 8b 30 4c 39 f0 74 RSP: 0018:ffff888014107220 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88800fcda588 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f1be4eb05c0(0000) GS:ffff88806ce80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1be4e766cf CR3: 000000000c33e000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: ? show_regs+0x90/0xa0 ? die_addr+0x50/0xd0 ? exc_general_protection+0x148/0x220 ? asm_exc_general_protection+0x22/0x30 ? gtp_genl_dump_pdp+0x1be/0x800 [gtp] ? __alloc_skb+0x1dd/0x350 ? __pfx___alloc_skb+0x10/0x10 genl_dumpit+0x11d/0x230 netlink_dump+0x5b9/0xce0 ? lockdep_hardirqs_on_prepare+0x253/0x430 ? __pfx_netlink_dump+0x10/0x10 ? kasan_save_track+0x10/0x40 ? __kasan_kmalloc+0x9b/0xa0 ? genl_start+0x675/0x970 __netlink_dump_start+0x6fc/0x9f0 genl_family_rcv_msg_dumpit+0x1bb/0x2d0 ? __pfx_genl_family_rcv_msg_dumpit+0x10/0x10 ? genl_op_from_small+0x2a/0x440 ? cap_capable+0x1d0/0x240 ? __pfx_genl_start+0x10/0x10 ? __pfx_genl_dumpit+0x10/0x10 ? __pfx_genl_done+0x10/0x10 ? security_capable+0x9d/0xe0 ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | bpftool amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | bpftool-debuginfo amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-debuginfo amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-devel amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-headers amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-libbpf amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-libbpf-devel amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-libbpf-static amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-livepatch-6.1.82-99.168 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-modules-extra amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-modules-extra-common amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-tools amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-tools-debuginfo amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | kernel-tools-devel amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | linux Debian 12.15 (bookworm) | 6.1.82-1 | [DEBIAN-CVE-2024-26754](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26754.md) | Apr 3, 2024 | | Linux | linux Debian 13.5 (trixie) | 6.7.7-1 | [DEBIAN-CVE-2024-26754](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26754.md) | Apr 3, 2024 | | Linux | linux Debian 14 | 6.7.7-1 | [DEBIAN-CVE-2024-26754](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26754.md) | Apr 3, 2024 | | Linux | perf amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | perf-debuginfo amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | python3-perf amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | | Linux | python3-perf-debuginfo amzn 2023 | 6.1.82-99.168.amzn2023 | [ALAS2023-2024-784](https://patchblox.com/security/data/fix/linux/alas2023-2024-784.md) | Dec 5, 2024 | --- Data as of 2026-11-08T13:06:02Z UTC. 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