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CVE-2024-26754— gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()

EPSS 0.01% · P3
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I. Basic Information for CVE-2024-26754

Vulnerability Information
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Vulnerability Title
gtp: fix use-after-free and null-ptr-deref in gtp_genl_dump_pdp()
Source: NVD (National Vulnerability Database)
Vulnerability 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: <TASK> ? 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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 459aa660eb1d8ce67080da1983bb81d716aa5a69 ~ f0ecdfa679189d26aedfe24212d4e69e42c2c861 -
LinuxLinux 4.7 -

II. Public POCs for CVE-2024-26754

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III. Intelligence Information for CVE-2024-26754

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Same Patch Batch · Linux · 2024-04-03 · 94 CVEs total

CVE-2024-26743RDMA/qedr: Fix qedr_create_user_qp error flow
CVE-2024-26740net/sched: act_mirred: use the backlog for mirred ingress
CVE-2024-26738powerpc/pseries/iommu: DLPAR add doesn't completely initialize pci_controller
CVE-2024-26734devlink: fix possible use-after-free and memory leaks in devlink_init()
CVE-2024-26733arp: Prevent overflow in arp_req_get().
CVE-2024-26732net: implement lockless setsockopt(SO_PEEK_OFF)
CVE-2024-26731bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()
CVE-2024-26730hwmon: (nct6775) Fix access to temperature configuration registers
CVE-2024-26735ipv6: sr: fix possible use-after-free and null-ptr-deref
CVE-2024-26742scsi: smartpqi: Fix disable_managed_interrupts
CVE-2024-26741dccp/tcp: Unhash sk from ehash for tb2 alloc failure after check_estalblished().
CVE-2024-26744RDMA/srpt: Support specifying the srpt_service_guid parameter
CVE-2024-26747usb: roles: fix NULL pointer issue when put module's reference
CVE-2024-26748usb: cdns3: fix memory double free when handle zero packet
CVE-2024-26749usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()
CVE-2024-26751ARM: ep93xx: Add terminator to gpiod_lookup_table
CVE-2024-26752l2tp: pass correct message length to ip6_append_data
CVE-2024-26753crypto: virtio/akcipher - Fix stack overflow on memcpy
CVE-2024-26755md: Don't suspend the array for interrupted reshape
CVE-2024-26756md: Don't register sync_thread for reshape directly

Showing top 20 of 94 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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