CVE-2022-48780— net/smc: Avoid overwriting the copies of clcsock callback functions
Affected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0ef6049f664941bc0f75828b3a61877635048b27< 7de7ba7a8bd4fde0141de8674c13514d0072f0e6 | affected |
504078fbe9dd570d685361b57784a6050bc40aaa< f00b6c976ae0dfbd9b891175f713f59095d23842 | affected | ||
341adeec9adad0874f29a0a1af35638207352a39< 1de9770d121ee9294794cca0e0be8fbfa0134ee8 | affected | ||
5.15.22< 5.15.25 | affected | ||
5.16.8< 5.16.11 | affected |
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I. Basic Information for CVE-2022-48780
Vulnerability Information
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Vulnerability Title
net/smc: Avoid overwriting the copies of clcsock callback functions
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions The callback functions of clcsock will be saved and replaced during the fallback. But if the fallback happens more than once, then the copies of these callback functions will be overwritten incorrectly, resulting in a loop call issue: clcsk->sk_error_report |- smc_fback_error_report() <------------------------------| |- smc_fback_forward_wakeup() | (loop) |- clcsock_callback() (incorrectly overwritten) | |- smc->clcsk_error_report() ------------------| So this patch fixes the issue by saving these function pointers only once in the fallback and avoiding overwriting.
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net/smc模块中发现回调函数覆盖问题。clcsock的回调函数在回退过程中被保存和替换，但如果回退发生多次，这些回调函数的副本将被错误地覆盖。
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
II. Public POCs for CVE-2022-48780
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|---|
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Other References for CVE-2022-48780 (2)
Same Patch Batch · Linux · 2024-07-16 · 98 CVEs total
| CVE-2022-48832 | audit: don't deref the syscall args when checking the openat2 open_how::flags | |
| CVE-2022-48826 | drm/vc4: Fix deadlock on DSI device attach error | |
| CVE-2022-48822 | usb: f_fs: Fix use-after-free for epfile | |
| CVE-2022-48821 | misc: fastrpc: avoid double fput() on failed usercopy | |
| CVE-2022-48819 | tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case | |
| CVE-2022-48820 | phy: stm32: fix a refcount leak in stm32_usbphyc_pll_enable() | |
| CVE-2022-48818 | net: dsa: mv88e6xxx: don't use devres for mdiobus | |
| CVE-2022-48823 | scsi: qedf: Fix refcount issue when LOGO is received during TMF | |
| CVE-2022-48830 | can: isotp: fix potential CAN frame reception race in isotp_rcv() | |
| CVE-2022-48831 | ima: fix reference leak in asymmetric_verify() | |
| CVE-2022-48828 | NFSD: Fix ia_size underflow | |
| CVE-2022-48834 | usb: usbtmc: Fix bug in pipe direction for control transfers | |
| CVE-2022-48833 | btrfs: skip reserved bytes warning on unmount after log cleanup failure | |
| CVE-2022-48835 | scsi: mpt3sas: Page fault in reply q processing | |
| CVE-2022-48837 | usb: gadget: rndis: prevent integer overflow in rndis_set_response() | |
| CVE-2022-48836 | Input: aiptek - properly check endpoint type | |
| CVE-2022-48838 | usb: gadget: Fix use-after-free bug by not setting udc->dev.driver | |
| CVE-2022-48839 | net/packet: fix slab-out-of-bounds access in packet_recvmsg() | |
| CVE-2022-48840 | iavf: Fix hang during reboot/shutdown | |
| CVE-2022-48842 | ice: Fix race condition during interface enslave |
Showing top 20 of 98 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
Same vendor: Linux
- CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing - CVE-2026-43503
net: skbuff: propagate shared-frag marker through frag-trans - CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43498
accel/ivpu: Disallow re-exporting imported GEM objects
V. Comments for CVE-2022-48780
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