CVE-2024-41040

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-41040
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41040.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-41040
Related
Published
2024-07-29T15:15:12Z
Modified
2024-09-18T03:26:32.432629Z
Severity
  • 7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved:

net/sched: Fix UAF when resolving a clash

KASAN reports the following UAF:

BUG: KASAN: slab-use-after-free in tcfctflowtableprocessconn+0x12b/0x380 [actct] Read of size 1 at addr ffff888c07603600 by task handler130/6469

Call Trace: <IRQ> dumpstacklvl+0x48/0x70 printaddressdescription.constprop.0+0x33/0x3d0 printreport+0xc0/0x2b0 kasanreport+0xd0/0x120 _asanload1+0x6c/0x80 tcfctflowtableprocessconn+0x12b/0x380 [actct] tcfctact+0x886/0x1350 [actct] tcfactionexec+0xf8/0x1f0 flclassify+0x355/0x360 [clsflower] _tcfclassify+0x1fd/0x330 tcfclassify+0x21c/0x3c0 schhandleingress.constprop.0+0x2c5/0x500 _netifreceiveskbcore.constprop.0+0xb25/0x1510 _netifreceiveskblistcore+0x220/0x4c0 netifreceiveskblistinternal+0x446/0x620 napicompletedone+0x157/0x3d0 grocellpoll+0xcf/0x100 _napipoll+0x65/0x310 netrxaction+0x30c/0x5c0 _dosoftirq+0x14f/0x491 _irqexitrcu+0x82/0xc0 irqexitrcu+0xe/0x20 commoninterrupt+0xa1/0xb0 </IRQ> <TASK> asmcommon_interrupt+0x27/0x40

Allocated by task 6469: kasansavestack+0x38/0x70 kasansettrack+0x25/0x40 kasansaveallocinfo+0x1e/0x40 _kasankrealloc+0x133/0x190 krealloc+0xaa/0x130 nfctextadd+0xed/0x230 [nfconntrack] tcfctact+0x1095/0x1350 [actct] tcfactionexec+0xf8/0x1f0 flclassify+0x355/0x360 [clsflower] _tcfclassify+0x1fd/0x330 tcfclassify+0x21c/0x3c0 schhandleingress.constprop.0+0x2c5/0x500 _netifreceiveskbcore.constprop.0+0xb25/0x1510 _netifreceiveskblistcore+0x220/0x4c0 netifreceiveskblistinternal+0x446/0x620 napicompletedone+0x157/0x3d0 grocellpoll+0xcf/0x100 _napipoll+0x65/0x310 netrxaction+0x30c/0x5c0 _dosoftirq+0x14f/0x491

Freed by task 6469: kasansavestack+0x38/0x70 kasansettrack+0x25/0x40 kasansavefreeinfo+0x2b/0x60 __kasanslabfree+0x180/0x1f0 _kasanslabfree+0x12/0x30 slabfreefreelisthook+0xd2/0x1a0 _kmemcachefree+0x1a2/0x2f0 kfree+0x78/0x120 nfconntrackfree+0x74/0x130 [nfconntrack] nfctdestroy+0xb2/0x140 [nfconntrack] _nfctresolveclash+0x529/0x5d0 [nfconntrack] nfctresolveclash+0xf6/0x490 [nfconntrack] _nfconntrackconfirm+0x2c6/0x770 [nfconntrack] tcfctact+0x12ad/0x1350 [actct] tcfactionexec+0xf8/0x1f0 flclassify+0x355/0x360 [clsflower] _tcfclassify+0x1fd/0x330 tcfclassify+0x21c/0x3c0 schhandleingress.constprop.0+0x2c5/0x500 _netifreceiveskbcore.constprop.0+0xb25/0x1510 _netifreceiveskblistcore+0x220/0x4c0 netifreceiveskblistinternal+0x446/0x620 napicompletedone+0x157/0x3d0 grocellpoll+0xcf/0x100 _napipoll+0x65/0x310 netrxaction+0x30c/0x5c0 _dosoftirq+0x14f/0x491

The ct may be dropped if a clash has been resolved but is still passed to the tcfctflowtableprocess_conn function for further usage. This issue can be fixed by retrieving ct from skb again after confirming conntrack.

References

Affected packages

Debian:11 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.10.223-1

Affected versions

5.*

5.10.46-4
5.10.46-5
5.10.70-1~bpo10+1
5.10.70-1
5.10.84-1
5.10.92-1~bpo10+1
5.10.92-1
5.10.92-2
5.10.103-1~bpo10+1
5.10.103-1
5.10.106-1
5.10.113-1
5.10.120-1~bpo10+1
5.10.120-1
5.10.127-1
5.10.127-2~bpo10+1
5.10.127-2
5.10.136-1
5.10.140-1
5.10.148-1
5.10.149-1
5.10.149-2
5.10.158-1
5.10.158-2
5.10.162-1
5.10.178-1
5.10.178-2
5.10.178-3
5.10.179-1
5.10.179-2
5.10.179-3
5.10.179-4
5.10.179-5
5.10.191-1
5.10.197-1
5.10.205-1
5.10.205-2
5.10.209-1
5.10.209-2
5.10.216-1
5.10.218-1
5.10.221-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.106-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4
6.1.52-1
6.1.55-1~bpo11+1
6.1.55-1
6.1.64-1
6.1.66-1
6.1.67-1
6.1.69-1~bpo11+1
6.1.69-1
6.1.76-1~bpo11+1
6.1.76-1
6.1.82-1
6.1.85-1
6.1.90-1~bpo11+1
6.1.90-1
6.1.94-1~bpo11+1
6.1.94-1
6.1.98-1
6.1.99-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.9.10-1

Affected versions

6.*

6.1.27-1
6.1.37-1
6.1.38-1
6.1.38-2~bpo11+1
6.1.38-2
6.1.38-3
6.1.38-4~bpo11+1
6.1.38-4
6.1.52-1
6.1.55-1~bpo11+1
6.1.55-1
6.1.64-1
6.1.66-1
6.1.67-1
6.1.69-1~bpo11+1
6.1.69-1
6.1.76-1~bpo11+1
6.1.76-1
6.1.82-1
6.1.85-1
6.1.90-1~bpo11+1
6.1.90-1
6.1.94-1~bpo11+1
6.1.94-1
6.1.98-1
6.1.99-1
6.1.106-1
6.1.106-2
6.1.106-3
6.3.1-1~exp1
6.3.2-1~exp1
6.3.4-1~exp1
6.3.5-1~exp1
6.3.7-1~bpo12+1
6.3.7-1
6.3.11-1
6.4~rc6-1~exp1
6.4~rc7-1~exp1
6.4.1-1~exp1
6.4.4-1~bpo12+1
6.4.4-1
6.4.4-2
6.4.4-3~bpo12+1
6.4.4-3
6.4.11-1
6.4.13-1
6.5~rc4-1~exp1
6.5~rc6-1~exp1
6.5~rc7-1~exp1
6.5.1-1~exp1
6.5.3-1~bpo12+1
6.5.3-1
6.5.6-1
6.5.8-1
6.5.10-1~bpo12+1
6.5.10-1
6.5.13-1
6.6.3-1~exp1
6.6.4-1~exp1
6.6.7-1~exp1
6.6.8-1
6.6.9-1
6.6.11-1
6.6.13-1~bpo12+1
6.6.13-1
6.6.15-1
6.6.15-2
6.7-1~exp1
6.7.1-1~exp1
6.7.4-1~exp1
6.7.7-1
6.7.9-1
6.7.9-2
6.7.12-1~bpo12+1
6.7.12-1
6.8.9-1
6.8.11-1
6.8.12-1~bpo12+1
6.8.12-1
6.9.2-1~exp1
6.9.7-1~bpo12+1
6.9.7-1
6.9.8-1
6.9.9-1
6.9.10-1~bpo12+1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}