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CVE-2024-56636— geneve: do not assume mac header is set in geneve_xmit_skb()

EPSS 0.01% · P1

Affected Version Matrix 14

VendorProductVersion RangeStatus
LinuxLinuxa025fb5f49ad38cf749753b16fcd031d0d678f2b< d9fa09ca004befe9cf826d6820439cb6f93cecd7affected
a025fb5f49ad38cf749753b16fcd031d0d678f2b< b65958284401016b983078c68f70b047537f4abaaffected
a025fb5f49ad38cf749753b16fcd031d0d678f2b< 2ee7bdc7cb40abfe658a71fbd10c7db2f4fc4f9aaffected
a025fb5f49ad38cf749753b16fcd031d0d678f2b< 97ce3a4ec55eac6b5e2949ffb04028d604afda3baffected
a025fb5f49ad38cf749753b16fcd031d0d678f2b< 177b72ed7c77b11e46dd4336d73a87a77a5603afaffected
a025fb5f49ad38cf749753b16fcd031d0d678f2b< 8588c99c7d47448fcae39e3227d6e2bb97aad86daffected
5.0affected
< 5.0unaffected
… +6 more rows
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I. Basic Information for CVE-2024-56636

Vulnerability Information
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Vulnerability Title
geneve: do not assume mac header is set in geneve_xmit_skb()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: geneve: do not assume mac header is set in geneve_xmit_skb() We should not assume mac header is set in output path. Use skb_eth_hdr() instead of eth_hdr() to fix the issue. sysbot reported the following : WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 skb_mac_header include/linux/skbuff.h:3052 [inline] WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 eth_hdr include/linux/if_ether.h:24 [inline] WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 geneve_xmit_skb drivers/net/geneve.c:898 [inline] WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 geneve_xmit+0x4c38/0x5730 drivers/net/geneve.c:1039 Modules linked in: CPU: 0 UID: 0 PID: 11635 Comm: syz.4.1423 Not tainted 6.12.0-syzkaller-10296-gaaf20f870da0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:skb_mac_header include/linux/skbuff.h:3052 [inline] RIP: 0010:eth_hdr include/linux/if_ether.h:24 [inline] RIP: 0010:geneve_xmit_skb drivers/net/geneve.c:898 [inline] RIP: 0010:geneve_xmit+0x4c38/0x5730 drivers/net/geneve.c:1039 Code: 21 c6 02 e9 35 d4 ff ff e8 a5 48 4c fb 90 0f 0b 90 e9 fd f5 ff ff e8 97 48 4c fb 90 0f 0b 90 e9 d8 f5 ff ff e8 89 48 4c fb 90 <0f> 0b 90 e9 41 e4 ff ff e8 7b 48 4c fb 90 0f 0b 90 e9 cd e7 ff ff RSP: 0018:ffffc90003b2f870 EFLAGS: 00010283 RAX: 000000000000037a RBX: 000000000000ffff RCX: ffffc9000dc3d000 RDX: 0000000000080000 RSI: ffffffff86428417 RDI: 0000000000000003 RBP: ffffc90003b2f9f0 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000002 R12: ffff88806603c000 R13: 0000000000000000 R14: ffff8880685b2780 R15: 0000000000000e23 FS: 00007fdc2deed6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30a1dff8 CR3: 0000000056b8c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] __dev_direct_xmit+0x58a/0x720 net/core/dev.c:4490 dev_direct_xmit include/linux/netdevice.h:3181 [inline] packet_xmit+0x1e4/0x360 net/packet/af_packet.c:285 packet_snd net/packet/af_packet.c:3146 [inline] packet_sendmsg+0x2700/0x5660 net/packet/af_packet.c:3178 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2197 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f
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erofs模块中NONHEAD !delta[1] lclusters处理不当。
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 a025fb5f49ad38cf749753b16fcd031d0d678f2b ~ d9fa09ca004befe9cf826d6820439cb6f93cecd7 -
LinuxLinux 5.0 -

II. Public POCs for CVE-2024-56636

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III. Intelligence Information for CVE-2024-56636

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Same Patch Batch · Linux · 2024-12-27 · 221 CVEs total

CVE-2024-56606af_packet: avoid erroring out after sock_init_data() in packet_create()
CVE-2024-56592bpf: Call free_htab_elem() after htab_unlock_bucket()
CVE-2024-56594drm/amdgpu: set the right AMDGPU sg segment limitation
CVE-2024-56595jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree
CVE-2024-56596jfs: fix array-index-out-of-bounds in jfs_readdir
CVE-2024-56597jfs: fix shift-out-of-bounds in dbSplit
CVE-2024-56598jfs: array-index-out-of-bounds fix in dtReadFirst
CVE-2024-56599wifi: ath10k: avoid NULL pointer error during sdio remove
CVE-2024-56601net: inet: do not leave a dangling sk pointer in inet_create()
CVE-2024-56600net: inet6: do not leave a dangling sk pointer in inet6_create()
CVE-2024-56602net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()
CVE-2024-56603net: af_can: do not leave a dangling sk pointer in can_create()
CVE-2024-56604Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc()
CVE-2024-56605Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()
CVE-2024-56617cacheinfo: Allocate memory during CPU hotplug if not done from the primary CPU
CVE-2024-56614xsk: fix OOB map writes when deleting elements
CVE-2024-56615bpf: fix OOB devmap writes when deleting elements
CVE-2024-56616drm/dp_mst: Fix MST sideband message body length check
CVE-2024-56613sched/numa: fix memory leak due to the overwritten vma->numab_state
CVE-2024-56618pmdomain: imx: gpcv2: Adjust delay after power up handshake

Showing top 20 of 221 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56636

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