7
CVE-2026-98041
- EPSS 0.14%
- Veröffentlicht 25.09.2026 10:23:53
- Zuletzt bearbeitet 25.09.2026 15:18:04
- Erkennungen
bpf: Don't predict JMP32 pointer vs zero comparisons
In the Linux kernel, the following vulnerability has been resolved:
bpf: Don't predict JMP32 pointer vs zero comparisons
Consider the following program:
r1 = map_value; /* low 32 bits are zero at runtime */
r6 = 0xdead000000000000;
if w1 != 0 goto l1;
l0: r1 += r6;
r2 = *(u64 *)(r1 + 0);
exit;
l1: r6 = 0;
goto l0;
At the moment is_branch_taken() reports the jump as always taken,
because it does not distinguish between BPF_JMP and BPF_JMP32
comparisons when processing 'if w1 != 0 ...'.Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt
Linux
Default Statusunaffected
Version
cac616db39c207dc63465a4e05c6ce0e60b2cce4
Version <
d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d
Status
affected
Version
cac616db39c207dc63465a4e05c6ce0e60b2cce4
Version <
e2ae33247e8b2dbe9d116d3e61cadf6d548339c6
Status
affected
Version
cac616db39c207dc63465a4e05c6ce0e60b2cce4
Version <
a4d7f94c1ca914469ced665ec2f98be669aef462
Status
affected
Version
cac616db39c207dc63465a4e05c6ce0e60b2cce4
Version <
e51179a4e09846f8fd0f26a05068520de2b301bf
Status
affected
HerstellerLinux
≫
Produkt
Linux
Default Statusaffected
Version
5.8
Status
affected
Version
0
Version <
5.8
Status
unaffected
Version <=
6.12.*
Version
6.12.111
Status
unaffected
Version <=
6.18.*
Version
6.18.53
Status
unaffected
Version <=
7.2.*
Version
7.2.7
Status
unaffected
Version <=
*
Version
7.3-rc2
Status
unaffected
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.14% | 0.031 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | 7 | 1 | 5.9 |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
|
https://git.kernel.org/stable/c/d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d
https://git.kernel.org/stable/c/e2ae33247e8b2dbe9d116d3e61cadf6d548339c6
https://git.kernel.org/stable/c/a4d7f94c1ca914469ced665ec2f98be669aef462
https://git.kernel.org/stable/c/e51179a4e09846f8fd0f26a05068520de2b301bf