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CVE-2022-49048— ipv6: fix panic when forwarding a pkt with no in6 dev

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于转发无in6 dev的包时内核崩溃。

CVSS 7.5 · High EPSS 0.68% · P49

Possible ATT&CK Techniques 1 AI

T1548 · Abuse Elevation Control Mechanism

Affected Version Matrix 19

VendorProduct Version RangeStatus
Linux Linux bff0854e2f804f68d3e93d19e4580dbd69777e1d< 74b68f5249f16c5f7f675d0f604fa6ae20e3a151 affected
7f4848229e91d508102b30396b8a1b710ac23637< ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435 affected
79ec7b5b2f4fe38e5c7459ed0bdff4ef3386ab63< a263712ba8c9ded25dd9d2d5ced11bcea5b33a3e affected
ccd27f05ae7b8ebc40af5b004e94517a919aa862< adee01bbf6cb5b3e4ed08be8ff866aac90f13836 affected
ccd27f05ae7b8ebc40af5b004e94517a919aa862< e69fb3de87a8923e5931a272a38fa3cceb01da44 affected
ccd27f05ae7b8ebc40af5b004e94517a919aa862< e3fa461d8b0e185b7da8a101fe94dfe6dd500ac0 affected
350e10d217337480158b604bbf6601c50ed161c6 affected
4.19.199< 4.19.239 affected
… +11 more rows
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I. Basic Information for CVE-2022-49048

Vulnerability Information
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Vulnerability Title
ipv6: fix panic when forwarding a pkt with no in6 dev
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix panic when forwarding a pkt with no in6 dev kongweibin reported a kernel panic in ip6_forward() when input interface has no in6 dev associated. The following tc commands were used to reproduce this panic: tc qdisc del dev vxlan100 root tc qdisc add dev vxlan100 root netem corrupt 5%
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于转发无in6 dev的包时内核崩溃。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux bff0854e2f804f68d3e93d19e4580dbd69777e1d ~ 74b68f5249f16c5f7f675d0f604fa6ae20e3a151 -
Linux Linux 5.14 -

II. Public POCs for CVE-2022-49048

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III. Intelligence Information for CVE-2022-49048

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Patches & Fixes for CVE-2022-49048 (6)

Same Patch Batch · Linux · 2025-02-26 · 706 CVEs total

CVE-2022-49149 9.8 CRITICAL rxrpc: Fix call timer start racing with call destruction
CVE-2022-49561 9.8 CRITICAL netfilter: conntrack: re-fetch conntrack after insertion
CVE-2022-49407 9.8 CRITICAL dlm: fix plock invalid read
CVE-2022-49280 9.8 CRITICAL NFSD: prevent underflow in nfssvc_decode_writeargs()
CVE-2022-49201 9.8 CRITICAL ibmvnic: fix race between xmit and reset
CVE-2022-49194 9.8 CRITICAL net: bcmgenet: Use stronger register read/writes to assure ordering
CVE-2022-49093 9.8 CRITICAL skbuff: fix coalescing for page_pool fragment recycling
CVE-2022-49094 9.8 CRITICAL net/tls: fix slab-out-of-bounds bug in decrypt_internal
CVE-2022-49418 9.8 CRITICAL NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
CVE-2022-49260 9.8 CRITICAL crypto: hisilicon/sec - fix the aead software fallback for engine
CVE-2022-49362 9.8 CRITICAL NFSD: Fix potential use-after-free in nfsd_file_put()
CVE-2022-49356 9.8 CRITICAL SUNRPC: Trap RDMA segment overflows
CVE-2022-49058 9.1 CRITICAL cifs: potential buffer overflow in handling symlinks
CVE-2022-49470 8.8 HIGH Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event
CVE-2022-49535 8.8 HIGH scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGI
CVE-2022-49238 8.8 HIGH ath11k: free peer for station when disconnect from AP for QCA6390/WCN6855
CVE-2022-49479 8.8 HIGH mt76: fix tx status related use-after-free race on station removal
CVE-2022-49138 8.8 HIGH Bluetooth: hci_event: Ignore multiple conn complete events
CVE-2022-49519 8.8 HIGH ath10k: skip ath10k_halt during suspend for driver state RESTARTING
CVE-2022-49416 8.8 HIGH wifi: mac80211: fix use-after-free in chanctx code

Showing top 20 of 706 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49048

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