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CVE

DEBIAN-CVE-2026-72393

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnic_tx_lso() calls skb_cow_head() which may reallocate the skb including the s...
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CVE

DEBIAN-CVE-2026-72393

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnic_tx_lso() calls skb_cow_head() which may reallocate the skb including the s...

In the Linux kernel, the following vulnerability has been resolved:  eth: fbnic: don't cache shinfo across skb realloc  fbnictxlso() calls skbcowhead() which may reallocate the skb including the shared info. We can't use the pointer calculated before the call.      BUG: KASAN: slab-use-after-free in fbnictxlso.isra.0+0x668/0x8e0     Read of size 4 at addr ff110000262edd98 by task swapper/5/0     Call Trace:      fbnictxlso.isra.0+0x668/0x8e0      fbnicxmitframe+0x622/0xba0      devhardstartxmit+0xf4/0x620      Allocated by task 8653:      allocskb+0x11e/0x5f0      allocskbwithfrags+0xcc/0x6c0      sockallocsendpskb+0x327/0x3f0      _ipappenddata+0x188b/0x47a0      ipmakeskb+0x24a/0x300      udpsendmsg+0x14d2/0x21e0      Freed by task 0:      kfree+0x123/0x5a0      pskbexpandhead+0x36c/0xfa0      fbnictxlso.isra.0+0x500/0x8e0      fbnicxmitframe+0x622/0xba0      devhardstartxmit+0xf4/0x620      schdirectxmit+0x25b/0x1100      The buggy address belongs to the object at ff110000262edc40      which belongs to the cache skbuffsmall_head of size 640     The buggy address is located 344 bytes inside of      freed 640-byte region [ff110000262edc40, ff110000262ede

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-72393

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
7.1.5-1

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